When the demand for money parameter, "k," is large, the velocity of money is high, indicating that money circulates rapidly in the economy, and money changes hands more frequently in various economic transactions.
The equation is "m/p = ky," where "m" represents the money supply, "p" denotes the price level, "k" represents the demand for money parameter, and "y" signifies real income or output.
When the demand for money parameter, "k," is large:
- The velocity of money is **high**. Velocity of money refers to the rate at which money circulates in the economy, or the number of times money changes hands in a given period. A larger value of "k" implies that money is being spent more frequently and circulating rapidly in the economy.
- Money is changing hands **more frequently**. A higher value of "k" indicates that individuals and businesses are actively using money for transactions, indicating a faster turnover of money as it changes hands in various economic transactions.
In summary, a large demand for money parameter, "k," suggests a higher velocity of money and more frequent exchanges of money in the economy.
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In 1965, a group of students wore black arm bands to school in protest of American policies in Vietnam. Administrators banned the wearing of armbands on school grounds; however, the students wore them again and were suspended. A lawsuit followed, and the case was eventually taken to the Supreme Court.
Answer:
protected under students first amendment rights
Explanation:
did the studyisland :)
A solid right circular cylinder of a substance has a radius 10.0 cm and a height 12.0 cm. the mass of the cylinder is 4.00 kg. what is the density of the substance?
The density of solid right circular cylinder will be \(1.06\) x \(10^{-2}\) \(kg/ m^{3}\).
Radius r = 10 cm = 10 x \(10^{-2} m\)
Height h = 12 CM = 12 x \(10^{-2} m\)
Volume = π \(r^{2} h\)
mass m = 4 Kg
Density ρ = m/v = m/ π \(r^{2} h\)
= \(\frac{4}{3.14 . (10 x 10^{-2} ) (12 x 10^{-2} ) }\) = \(1061 kg /m^{3}\)
Density = \(1.06\) x \(10^{-2}\) \(kg/ m^{3}\).
Thus density of a solid right circular cylinder of a substance has a radius 10.0 cm and a height 12.0 cm. the mass of the cylinder is 4.00 kg is \(1.06\) x \(10^{-2}\) \(kg/ m^{3}\).
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Please help need answer now!!
m = nM
m = 6mol(16g/mol)
m = 96g
*M is molar mass, which is found on the periodic table
A mass of gas occupies 20 cm3 at 5 degrees Celcius and 760 mm Hg pressure. What is its volume at 30 degrees Celcius and 800 mm Hg pressure?
Answer:
20.7 cm³
Explanation:
From the question given above, the following data were obtained:
Initial volume (V1) = 20 cm³
Initial temperature (T1) = 5 °C
Initial pressure (P1) = 760 mm Hg
Final temperature (T2) = 30 °C
Final pressure (P2) = 800 mm Hg
Final volume (V2) =?
Next we shall convert celsius temperature to Kelvin temperature. This can be obtained as follow:
Temperature (K) = Temperature (°C) + 273
Initial temperature (T1) = 5 °C
Initial temperature (T1) = 5 °C + 273 = 278 K.
Final temperature (T2) = 30 °C
Final temperature (T2) = 30 °C + 273 = 303 K.
Finally, we shall determine the new volume of the gas as follow:
Initial volume (V1) = 20 cm³
Initial temperature (T1) = 278 K
Initial pressure (P1) = 760 mm Hg
Final temperature (T2) = 303 K
Final pressure (P2) = 800 mm Hg
Final volume (V2) =?
P1V1/T1 = P2V2/T2
760 × 20 /278 = 800 × V2/303
Cross multiply
278 × 800 × V2 = 760 × 20 × 303
Divide both side by 278 × 800
V2 = (760 × 20 × 303) / (278 × 800)
V2 = 20.7 cm³
Therefore, the new volume of the gas is 20.7 cm³
On the first part of a journey, a motor cyclists travels for 33 hours at an average speed of 60km per hour.On the second part of a journey, the same motor cyclists travels for 600 minutes at an average speed of 50km per hour.How far does the motor cyclists travel in total
Answer:
2480km
Explanation:
The human capacity for storing long-term memories is Group of answer choices A) essentially limitless. B) roughly equal to seven units of information. C) typically much greater in young children than in adults. D) greatly reduced after people reach the age of 65.
The human capacity for storing long-term memories is A) essentially limitless.
The human capacity for storing long-term memories is generally considered to be essentially limitless. Unlike short-term memory, which has limited capacity and duration, long-term memory has the potential to store an enormous amount of information for extended periods.
Research suggests that the brain has an incredible capacity to form and store memories, and this capacity is not fixed or finite. The exact capacity of long-term memory is difficult to quantify precisely, as it can vary greatly among individuals and is influenced by various factors such as age, cognitive abilities, and expertise in specific domains.
While it is true that short-term memory has a limited capacity, long-term memory has the ability to store a vast amount of information over a lifetime. Studies have shown that individuals can retain an extensive range of memories, including personal experiences, factual knowledge, and learned skills, without any predetermined upper limit on storage capacity.
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PLEASE HELP!!! ASAP!!!
Answer:
I think It is D
Explanation:
What is the electrical force between two charges that are each
2.5 x 10-6 C and separated by 3.0 cm from each other?
Remember to identify all data (givens and unknowns), list
equations used, show all your work, and include units and the
proper number of significant digits to receive full credit. (3
points)
Considering the Coulomb's Law, the electrical force between two charges that are each 2.5×10⁻⁶ C and separated by 3.0 cm from each other is 62.5 N.
Coulomb's LawFrom Coulomb's Law it is possible to predict what the electrostatic force of attraction or repulsion between two particles will be according to their electric charge and the distance between them.
From Coulomb's Law, the electric force with which two point charges at rest attract or repel each other is directly proportional to the product of the magnitude of both charges and inversely proportional to the square of the distance that separates them:
\(F=k\frac{Qq}{d^{2} }\)
where:
F is the electrical force of attraction or repulsion. It is measured in Newtons (N).Q and q are the values of the two point charges. They are measured in Coulombs (C).d is the value of the distance that separates them. It is measured in meters (m).K is a constant of proportionality called the Coulomb's law constant. It depends on the medium in which the charges are located. Specifically for vacuum k is approximately 9×10⁹ \(\frac{Nm^{2} }{C^{2} }\).The force is attractive if the charges are of opposite sign and repulsive if they are of the same sign.
Electrical force in this caseIn this case, you know that two charges are each 2.5×10⁻⁶ C and separated by 3.0 cm (or 0.03 m, being 1 cm= 0.01 m) from each other.
Replacing in the Coulomb's Law, you get:
F=\(9x10^{9}\frac{Nm^{2} }{C^{2} } \frac{2.5x10^{-6} Cx 2.5x10^{-6} C}{(0.03m)^{2} }\)
Solving:
F=\(9x10^{9}\frac{Nm^{2} }{C^{2} } \frac{6.25x10^{-12} C^{2} }{(0.03m)^{2} }\)
F=\(9x10^{9}\frac{Nm^{2} }{C^{2} } 6.94x10^{-9} \frac{ C^{2} }{m^{2} }\)
F= 62.5 N
Finally, the electrical force between two charges that are each 2.5×10⁻⁶ C and separated by 3.0 cm from each other is 62.5 N.
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Explain why "selectively permeable" is a good way to describe a cel
membrane.
\( \huge \mathsf \blue{Question}\)
Explain why "selectively permeable" is a good way to describe a cell membrane.
\( \huge \mathsf \blue {Answer}\)
The plasma membrane is called a selectively permeable membrane as it permits the movement of only certain molecules in and out of the cells. Not all molecules are free to diffuse. If plasma membrane ruptures or breaks down then molecules of some substances will freely move in and out of the cells.
As the plasma membrane acts as a mechanical barrier, the exchange of material from its surroundings through osmosis or diffusion in a cell won’t take place. Consequently, the cell would die due to the disappearance of the protoplasmic material. It allows hydrophobic molecules and small polar molecules diffuse through the lipid layer, but does not allow ions and large polar molecules cannot diffuse through the membrane.
a disk-shaped platform has a known rotational inertia. the platform is mounted on a fixed axle and rotates in a horizontal plane, as shown above. a student wishes to determine the frictional torque exerted on the platform by the axle as the platform rotates. the student has access to equipment that would usually be found in a school physics laboratory. describe an experimental procedure the student could use to collect the data needed to find the frictional torque exerted on the platform while it rotates.
An experimental procedure the student could use to collect the data needed to find the frictional torque exerted on the platform while it rotates are given below.
What do you mean by intertia?In physics, inertia is the property of an object to resist changes in its motion. It is the tendency of an object to remain at rest or in motion in a straight line at a constant velocity unless acted upon by an external force.
Inertia is related to an object's mass, which is a measure of the amount of matter an object contains. This means that an object with more mass will be more difficult to accelerate, stop, or change its direction of motion compared to an object with less mass.
The student could use the following experimental procedure to determine the frictional torque exerted on the platform while it rotates:
Start by measuring the rotational inertia of the platform using a rotational motion sensor and a known mass added to the platform.Next, mount the platform on the fixed axle and rotate it using a motorized pulley system. Measure the angular velocity of the platform as it rotates.Apply a known torque to the platform using a torque wrench and measure the angular acceleration of the platform.Using the measured angular velocity and angular acceleration, calculate the net torque acting on the platform using the equation torque = I * alpha where I is the rotational inertia of the platform and alpha is the angular acceleration.Repeat step 3 for different values of torque and record the results.The frictional torque on the platform can be calculated by subtracting the net torque from the applied torque.Repeat the above steps at different angular velocities and at different temperatures to check for temperature dependency of the frictional torque.Plot the results of the frictional torque as a function of angular velocity and temperature.By repeating this procedure for different known torques, the student can determine the frictional torque acting on the platform by comparing the applied torque to the measured net torque.
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Suppose an object has a velocity of -7 m/s at t=0. What will the velocity be after 4 seconds if the acceleration of the object is +1 m/s^2?
Answer:
Vf = - 3 [m/s]
Explanation:
To solve this problem we must use the following equation of kinematics.
\(v_{f} =v_{o} +a*t\)
where:
Vf = final velocity [m/s]
Vo = initial velocity = - 7 [m/s]
a = acceleration = 1 [m/s²]
t = time = 4[s]
Now replacing:
Vf = -7 + (1*4)
Vf = - 3 [m/s]
PLEASE HELP SOS!!!!
Q2. Draw an FBD for a 3 kg steel block being pulled at a constant speed on ice. Show all values for the four
forces. (Hint: use the coefficient of friction table in your notes.)
The coefficient of friction (fr) is a figure that represents the ratio of the frictional resistive force (Fr) split by the normal or perpendicular force (N) pressing the items together. The expression fr = Fr/N represents it.
What is the coefficient of friction ?The coefficient of friction is determined by the things producing contact. The number is typically between 0 and 1, but it can be higher. A number of 0 indicates that there is no friction between the items; this is achievable with Superfluidity. Otherwise, all things will have some friction when they come into contact.
A number of 1 indicates that the frictional force equals the standard force. It is a common misunderstanding that the coefficient of friction can only be between zero and one.
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1. Which layer do we live on?
2. What layer is directly below your answer above?
3. What is the thickest layer?
4. Which 2 layers are included in the lithosphere?
Answer:
crust live mantle directly down
Explanation:
thickest core
lithosphere crust and mantle
Which of the following has the smallest mass? O a. 10.0 mol of F2 O b. 5.50 x 1024 atoms of 12 O c. 3.50 x 1024 molecules of 12 O d. 255. g of Cl2 O e. 0.020 kg of Br2
The option with the smallest mass is e. 0.020 kg of Br2.Option E
To determine which option has the smallest mass, we need to compare the masses of each given quantity.
a. 10.0 mol of F2:
To find the mass, we can use the molar mass of F2, which is 38.0 g/mol. Therefore, the mass of 10.0 mol of F2 is:
10.0 mol * 38.0 g/mol = 380 g
b. 5.50 x 10^24 atoms of 12O:
To find the mass, we need to know the molar mass of 12O. However, the given molar mass is for F2, not for 12O. Therefore, we cannot determine the mass of this option.
c. 3.50 x 10^24 molecules of 12O:
Similarly, without the molar mass of 12O, we cannot determine the mass of this option.
d. 255 g of Cl2:
Since the molar mass of Cl2 is 70.9 g/mol, the number of moles in 255 g can be calculated as:
255 g / 70.9 g/mol = 3.59 mol
e. 0.020 kg of Br2:
The molar mass of Br2 is 159.8 g/mol. To convert 0.020 kg to grams, we multiply by 1000:
0.020 kg * 1000 g/kg = 20 g
Now we can determine the number of moles:
20 g / 159.8 g/mol ≈ 0.125 mol
Comparing the number of moles, we find that option d (255 g of Cl2) has the largest number of moles, indicating a larger mass compared to the other options. Among the remaining options, option e (0.020 kg of Br2) has the smallest mass. Option e
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In the the table there is 20 kj of coal, how much energy in joules is 1g of coal?
Answer:
what do u meN by this i really don't know
examples of different type of bullying
Answer:
cyber physical verbal
Explanation:
these are types of bullying
Answer:
Physical, Social, Verbal, and Cyber are different kinds of bullying.
Explanation:
Physical Bullying- Physical bullying is the use of physical actions to intimidate and gain control over a target. The physical actions are unwanted by the victim and can either cause damage to their body or possessions. This behavior is all too common in schools.
Social Bullying- Social bullying is deliberate, repetitive, and aggressive social behavior intended to hurt others. This type of behavior generally includes gossip or other actions that cause mental and emotional harm and social isolation for the victim.
Verbal Bullying- Verbal bullying is intended to degrade, demean, or insult the target person, which might affect their mental, physical, emotional, and psychological health. A bully might make comments about the appearance, gender, race, and weight of the bullied.
Cyber Bullying- Cyberbullying is bullying with the use of digital technologies. It can take place on social media, messaging platforms, gaming platforms, and mobile phones. It is repeated behavior, aimed at scaring, angering, or shaming those who are targeted.
rube goldberg machine steps
Answer:
Rube Goldberg Machine is "a comically involved, complicated invention, laboriously contrived to preform a simple operation." 2. What are the 6 Simple Machines? A. The 6 Simple Machines are: wedge, screw, lever, wheel and axel, inclined plane and pulley.
which option is the best blackbody radiator?
Answer: The sun
Explanation: Trust me bro?
I need help with this question and please show the whole work
and do it asap
If a star displays \( 0.0190 \) arcseconds of parallax, then long would it take to travel to that star if traveling at half the speed of light?
The first step is to convert the parallax angle of the star to distance. We can use the formula: parallax angle in arc seconds = (distance to star in parsecs)^-1 We can rearrange this equation to isolate distance: d = (parallax angle)^-1 Therefore, the distance to the star in parsecs is:
d = (0.0190 arcseconds)^-1 = 52.6 parsecs Next, we need to find the actual distance in meters. One parsec is equivalent to 3.09 × 10^16 meters. Therefore, the distance to the star in meters is: distance = (52.6 parsecs)(3.09 × 10^16 meters/parsec) = 1.63 × 10^18 meters Now, we can use the formula for time: d = vt Solving for time: t = d/v We are told to travel at half the speed of light, which is v = 0.5c, where c is the speed of light.
Therefore, the time to travel to the star is: t = (1.63 × 10^18 meters)/(0.5c) Using the speed of light, c = 3.00 × 10^8 m/s, we get: t = (1.63 × 10^18 meters)/(0.5 × 3.00 × 10^8 m/s)t ≈ 10.9 years Therefore, it would take about 10.9 years to travel to the star if traveling at half the speed of light.
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What are the dangers of a thunderstorm and how do you stay safe during the thunderstorm?
Answer:
you get struck by lightning
Explanation:
hide in ur house
a particle moves in a circle of radius r with constant angular velocity counterclockwise the circle lies in the xy plane and the particle is on the x axis at time to
The particle is moving in a circle of radius r with a constant angular velocity counterclockwise in the xy plane. At time t₀, the particle is on the x-axis.
To understand this situation, let's break it down step by step:
1. The particle is moving in a circle with a constant angular velocity. This means that it is rotating at a fixed rate around a central point, with the same speed throughout its motion.
2. The circle lies in the xy plane, which means it is a flat, two-dimensional surface. The x-axis represents horizontal movement, while the y-axis represents vertical movement.
3. The particle is on the x-axis at time t₀. This means that the particle is located on the x-axis, which is a horizontal line passing through the origin (0,0) of the xy plane, at the initial time t₀.
4. As time progresses, the particle continues to move counterclockwise in the circle. This means that if we were to observe the particle from above, it would appear to be moving in a circular path in a counterclockwise direction.
5. The radius of the circle is given as r. The radius is the distance from the center of the circle to any point on its circumference. In this case, r represents the distance from the center to the particle's position.
To summarize, a particle is moving in a counterclockwise circular path in the xy plane, with a constant angular velocity. At the initial time t₀, the particle is located on the x-axis. The radius of the circle is given as r.
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a resistor connected to a 1.5 v battery dissipates 1.0 w. if the battery is replaced by a 3.0 v battery, the power will be
The power dissipated in the second case is 2W.
A resistor in a circuit with a voltage drop consumes electrical energy. All resistors have a power rating because this electrical energy is converted to heat energy. This is the maximum power that can be drawn from the resistor without burning out. Resistor energy dissipation. A charge q moves through a resistor, it loses potential energy Vq. where V is the potential drop across the resistor.
calculation:-
V = 1.5
power = 1
VI = P
I = 1/1.5
= 2/3
New V = 3 V
p = VI
= 3×2/3
= 2W.
This energy is dissipated as heat similar to how a ball of putty falling off a cliff converts potential energy into heat when it hits the ground. When current flows through a resistor, electrical energy is converted into heat energy. All heat generated by the components of a circuit has at least some resistance and is dissipated into the air surrounding the component.
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What is the acceleration of a car going 50 mph that slows down to rest over 10 seconds?
Answer:
If the velocity is constant, then there is no acceleration. That is, the value of the acceleration is 0.
Explanation:
Why are circuit breakers and fuses important?
Answer:
A fuse and circuit breaker both serve to protect an overloaded electrical circuit by interrupting the continuity, or the flow of electricity. ... Fuses tend to be quicker to interrupt the flow of power, but must be replaced after they melt, while circuit breakers can usually simply be reset.
Calculate the average speed of a complete round trip in which the outgoing 290 km is covered at 91 km/h , followed by a 1.0- h lunch break, and the return 290 km is covered at 54 km/h .
The average speed of the complete round trip is 61.12 km / h.
We need to know about the average speed to solve this problem. The average speed can be determined as the total distance divided by the total time. It can be written as
v = d / t
where v is average speed, d is distance and t is time.
From the question above, we know that
d1 = 290 km
v1 = 91 km/h
t lunch = 1 hour
d2 = 290 km
v2 = 54 km/h
Find the time during the outgoing
v1 = d1 / t1
t1 = d1 / v1
t1 = 290 / 93
t1 = 3.12 hours
Find the return time
v2 = d2 / t2
t2 = d2 / v2
t2 = 290 / 54
t2 = 5.37 hours
Hence, the total time
t = t1 + t2 + t lunch
t = 3.12 + 5.37 + 1
t = 9.49 hours
Find the average speed
v = d / t
v = (290 + 290) / 9.49
v = 61.12 km / h
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Two identical waves are destructively interfere. What will happen to the resulting wave?
There will be no wave. ,
It will be half as large as each original wave.
The two waves will pass through each other without problem. ,
It will be twice as large as each original wave.
Answer:
Because the disturbances are in opposite directions for this superposition, the resulting amplitude is zero for pure destructive interference
Explanation:
a steel wire of length l has a mass m, and is stretched with a tension force. a transverse wave on the wire propagates at a speed v. what is the required tension force (in terms of l, m, and v)?
The required tension force on the steel wire in terms of length (l), mass (m), and velocity of the transverse wave (v) is (m / l) x v²
The required tension force on the steel wire can be calculated using the formula:
Tension force = (mass per unit length) x (velocity of the wave)²
The mass per unit length of the wire can be calculated as:
mass per unit length = total mass of wire / length of wire
So, substituting the values given in the question:
mass per unit length = m / l
Now, we can plug this value and the given value of velocity (v) in the formula to get the required tension force:
Tension force = (m / l) x v²
Therefore, the required tension force on the steel wire in terms of length (l), mass (m), and velocity of the transverse wave (v) is (m / l) x v².
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Magnesium is a shiny, flexible metal that can be burned in the presence of air.
When it is burned, it produces a white powder that is no longer shiny or flexible.
This white powder also has more mass than the original magnesium. *
The molecules were separated into individual atoms.
The mass of the magnesium changed.
Smoke that was trapped between the magnesium atoms was given off.
A new substance wa formed
Explain why you chose the above answer. *
Your answer
Answer:
A new substance was formed
Explanation:
According to this question, a shiny and flexible metal called Magnesium (Mg) is burnt in air to produce a white powder that has no shiny or flexible properties, however, has more weight than the magnesium metal itself.
This is possible because a CHEMICAL CHANGE has occured, hence, a new substance has been formed. The formation of a new substance during the burning process (chemical reaction), induced the increase in mass.
physics and chemistry is the study of what?
Explanation:
yan lng po Alam ko
A bicyclist heads east at 20 km/h. After she has traveled 20.8 kilometers, another cyclist sets out in the same direction going 28 km/h. About how long will it take the second cyclist to catch up to the first cyclist
Hence,the time it takes the second cyclist to catch up to the first cyclist will be 2.6 h.
What is velocity?The change of displacement with respect to time is defined as the velocity. Velocity is a vector quantity. it is a time-based component.
\(\rm D_{rel}= V_{rel}\times t_{rel} \\\\ \rm D_{rel}= (V_1-V_2)\times t_{rel} \\\\ T_{rel}=\frac{D_{rel}}{V_1-V_2} \\\\ T_{rel}=\frac{20.8}{28-20} \\\\ T_{rel}= 2.6 \ h\)
The time it takes the second cyclist to catch up to the first cyclist will be 2.6 h.
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