A moving object is in equilibrium. What bests describes the motion of the object if mo force changes

•It will change directions
•It will slow down
•It will maintain the state of motion
•It will speed up and ten slow down

The magnitude of the electric flux through the sheet is 4.05 N m² C⁻¹ (Option E).

The electric flux through a surface is given by the product of the electric field strength and the area of the surface projected perpendicular to the electric field.

In this case, the electric field strength is 18 N C⁻¹, and the area of the sheet projected perpendicular to the electric field is 0.450 m²

(since the normal to the sheet makes an angle of 60° with the electric field). Multiplying these values gives the electric flux:

Electric flux = Electric field strength × Area

Electric flux = 18 N C⁻¹ × 0.450 m²

Electric flux = 8.1 N m² C⁻¹

In summary, the magnitude of the electric flux through the sheet is 4.05 N m² C⁻¹. This value is obtained by multiplying the given electric field strength by the projected area of the sheet perpendicular to the electric field.

The angle of 60° is taken into account to determine the effective area for calculating the flux.(Option E).

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The magnitude of the magnetic force on a proton is 1.68 ✕ 10^−16 N, directed towards the negative y-direction. The magnitude of the magnetic force on an electron is also 1.68 ✕ 10^−16 N, but directed towards the positive y-direction.

Begin by using the formula for the magnetic force on a charged particle moving in a magnetic field:

F = q * v * B * sin(θ)

where F is the magnetic force, q is the charge of the particle, v is the velocity of the particle, B is the magnetic field strength, and θ is the angle between the velocity vector and the magnetic field vector.

For a proton, the charge is +e, where e is the elementary charge (1.6 ✕ 10^−19 C). The velocity of the proton is given as 3.99 ✕ 10^5 m/s in the positive x-direction. The magnetic field strength is 2.93 ✕ 10^−8 T in the positive z-direction.

The angle θ between the velocity vector and the magnetic field vector is 90 degrees since the velocity is perpendicular to the magnetic field.

Substituting the values into the formula, we get:

F_proton = (+e) * (3.99 ✕ 10^5 m/s) * (2.93 ✕ 10^−8 T) * sin(90°)

F_proton ≈ 1.68 ✕ 10^−16 N

Since the proton has a positive charge, the magnetic force is directed opposite to the direction of electron flow, which is in the negative y-direction.

Repeat the steps for an electron, but note that the charge is -e. The direction of the force on an electron will be opposite to that of a proton.

F_electron = (-e) * (3.99 ✕ 10^5 m/s) * (2.93 ✕ 10^−8 T) * sin(90°)

F_electron ≈ -1.68 ✕ 10^−16 N

The force on an electron is also 1.68 ✕ 10^−16 N, but directed towards the positive y-direction.

Remember to consider the proper units and take into account the directions of charge, velocity, and magnetic field when calculating the magnetic force on a charged particle.

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Answer:

suna bro i am nepali and nepali are pro

A 3m beam of negligible weight is balancing in equilibrium with a fulcrum placed 1m from its left end. If a force of 50N is applied on it's right end, The amount of force would need to be applied to the left end is (F)= 100N

Force is a physical phenomena that help of a object to change its motion and move its position from one end to another. It is a vector quantity. It can be measured in Newton.

To calculate the force we are using the formula,

F= f×(d₂-d₁)

Here we are given,

f= The initial force affect on the weight. = 50N

d₁= The primary distance from the weight.=1m

d₂= The secondary distance from the weight.=3m

We have to calculate the force applied on the left end.=F

Now we put the values in above equation, we get

F= f×(d₂-d₁)

Or, F= 50×(3-1)

Or, F= 100N

From the above discussion we can say that, The amount of force would need to be applied to the left end is (F)= 100N

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Answer:

plz write your questions in English

Answer:

jose

Explanation:

Jose run faster and did more work

because the time Jose took to accomplish the activity is less than Luke

both

both have same mass

The work done by both Jose and Luke is same because the change in potential energy is same.

The power of Jose  is greater than than of Luke  because Jose takes less time to do the same work.

Power is defined in physics as the amount of energy transferred or converted per unit time. The watt is the unit of power in the International System of Units, equal to one joule per second. Power is sometimes referred to as activity in older works. A scalar quantity is power.

Let the mass of each of them is m.

Hence, work done by each of them = mgh ( same for both of them)

As Jose reached the top in 12.6 s and Luke reached the top in 13.3 s.

Power of Jose  = mgh/12.6

Power of Luck = mgh/13.3

Hence, Power of Jose is greater than Power of Luck.

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Answer:

Option D

Explanation:

11,890

Hope this helps

Answer:

D.Speed

Explanation:

The speed of an object is the distance the object travels in one unit of time.

Speed can be calculated if you know the distance that an object travels in one unit of time, therefore the correct answer is option D.

The total distance covered by any object per unit of time is known as speed. It depends only on the magnitude of the moving object.

The unit of speed is a meter/second. The generally considered unit for speed is a meter per second.

Thus, Speed can be calculated if you know the distance that an object travels in one unit of time, therefore the correct answer is option D.

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Answer:

c

Explanation:

changes from a liquid to a solid

The engineer must design an engine that can produce a force of over 3,100 Newtons.

A force is an energy that can cause change of motion. It can be a push or a pull. It also has both magnitude and direction, making it a vector quantity.

From the question;

total mass = mass of person + mass of cart

total mass = 80kg + 75kg

total mass = 155kg

acceleration = 20m/s²

The formula to be used;

F = m x a

F = 155kg x 20m/s²

F = 3,100N

In conclusion, the engineer needs a minimum force of 3,100 N in the engine to be able to power the cart.

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Answer:

hiii

Explanation:

but u have already given the answer along with the question

Answer:

Gravity is a contact force between objects in the universe

Explanation:

Gravity doesn't repel objects, it pulls them closer.

Answer:

The correct difference between chronic and acute stress is:

Acute stress is short-term, while chronic stress endures over time.

Explanation:

Acute stress refers to the immediate and temporary response of the body to a specific stressful event or situation. It is often characterized by a rapid increase in heart rate, heightened alertness, and the release of stress hormones like adrenaline. Acute stress is a normal and natural response to perceived threats or challenges, and once the stressor is removed or resolved, the body returns to its normal state.

On the other hand, chronic stress is long-term and persists over an extended period. It is typically caused by ongoing or recurring stressors, such as work pressures, financial difficulties, relationship problems, or chronic health conditions. Chronic stress can have a cumulative and prolonged impact on physical and mental well-being. It may lead to a range of health issues, including cardiovascular problems, weakened immune system, digestive disorders, anxiety, depression, and burnout.

Chronic stress is considered detrimental to overall health, while acute stress, when experienced in moderation, can actually be beneficial as it can enhance performance and help individuals deal with immediate challenges. It is important to manage chronic stress effectively through stress-reducing techniques, self-care practices, and seeking support when needed to prevent its negative consequences on health and well-being.

( 1) The net gravitational force between the 74.8 kg mass is  8.09 x 10⁻⁵ N.

( 2) The distance from the from the 494 kg mass where the middle mass experiences net zero force is 0.258 m.

The net gravitational force acting on the middle mass is calculated by applying Newton's law of universal gravitation as shown below.

F = ( GmM ) / ( R² )

where;

The force between the first mass and the middle mass is calculated as;

F' = ( 6.672 x 10⁻¹¹ x 141 x 74.8 ) / ( 0.198² )

F' = 1.8 x 10⁻⁵ N

The force between the third mass and the middle mass is calculated as;

F'' = ( 6.672 x 10⁻¹¹ x 494 x 74.8 ) / ( 0.198² )

F'' = 6.29 x 10⁻⁵ N

The net gravitational force on the middle mass;

F (net)  = 6.29 x 10⁻⁵ N + 1.8 x 10⁻⁵ N

F ( net ) = 8.09 x 10⁻⁵ N

Let the distance of zero net force from the 141 kg mass = d.

then the distance from the 494 kg mass = 0.396 m - d

F' = ( 6.672 x 10⁻¹¹ x 141 x 74.8 ) / ( d² )

F' = 0.704 x 10⁻⁶ / d²

F'' = ( 6.672 x 10⁻¹¹ x 494 x 74.8 ) / ( 0.396 - d )²

F'' = 2.47 x 10⁻⁶ / ( 0.396 - d )²

for zero net force, the two forces must be equal

0.704 x 10⁻⁶ / d²  = 2.47 x 10⁻⁶ / ( 0.396 - d )²

0.704 (0.396 - d )² = 2.47d²

(0.396 - d )²  = ( 2.47d² ) / ( 0.704 )

(0.396 - d )²  = 3.51d²

0.396 - d = √ ( 3.51d² )

0.396 - d = 1.87d

1.87d + d = 0.396

d (1.87 + 1) = 0.396

d (2.87) = 0.396

d = 0.396 / 2.87

d = 0.138 m

The distance from the 494 kg mass = 0.396 - 0.138 m = 0.258 m

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Answer:

Conservation of Energy: Like all things, Stirling Engines follow the conservation of energy principle (all the energy input is accounted for in the output in one form or another). ... The hot one supplies all of the energy QH, while the cold one removes energy QC (a necessary part of the cycle).

Explanation:

Answer: Yes

Explanation: All the energy input is accounted for in the output in one form or another

Answer:

a

Explanation:

ajjkiikkkkkhglutfgkitfgghiiij

Answer:

C. That the small portion of the space we can see is truly representative of all the rest of the universe that we cannot see.

Explanation:

The Cosmological Principle assumes that the small portion of the universe that we can see is representative of the entire universe, even though we can only directly observe a tiny fraction of it. It's an assumption used by Cosmologists to simplify their models of the universe.

Answer:

the ability to learn, emotional knowledge, creativity, and adaptation to meet the demands of the environment effectively

The acceleration of the proton is 7.6×10¹⁰ m/s² in the direction of the electric field.

Electrostatic forces are both attractive and repulsive forces caused by charged particles. Also known as Columbus Power. The Colombes attraction is named after French scientist Charles Augustin de Coulomb. However, his one of his four fundamental forces of nature is the electrostatic force.  

- The force on a charged particle due to an electric field is given by: F = qE

where q is the charge = 1.6×10⁻¹⁹C

and E is the electric field = 800N/C

Also, from Newton's laws of motion;

F = ma

where m is mass = 1.67×10⁻²⁷kg and a is acceleration

ma = qE

a = qE/m

a =  (1.60 x10^-19x800)/(1.67 x 10^-27 )

a = 7.6x10^10

towards the direction of the electric field.

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Answer:

a sample of water boils and releases gas.

Answer:

space = 66.24 [m]

Explanation:

To solve this problem we must remember that the average speed is defined as the relationship between a space traveled over a certain time.

\(Av = \frac{space}{time}\)

where:

space [m]

Av = average velocity = 3.6 [m/s]

time = 18.4 [s]

\(space = 3.6*18.4\\space = 66.24 [m]\)

The following is not a source of outdoor air pollution : D) Household cleaning products.

Presence of one or more substances in air at concentration or for a duration above the natural level is called air pollution.

Outdoor air pollution refers to pollutants that are released into the atmosphere by sources outside of buildings or structures. The sources of outdoor air pollution can be natural or human-made. Some examples of sources of outdoor air pollution are:

A) Exhaust from cars and trucks

B) Smoke from factories and power plants

C) Pollen from trees and plants

D) Solid fuel burning

E) Forest fires

Therefore, the correct option is D) Household cleaning products.

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Note: The question given on the portal is incomplete. Here is the complete question.

Question: Sierra lives in a southwestern town in a valley where air pollutants sometimes settle. The mountains that surround the town keep air pollution from blowing away. Sometimes Sierra can actually see the pollution in the air. Which choice is NOT a source of outdoor air pollution?

A) Exhaust from cars and trucks

B) Smoke from factories and power plants

C) Pollen from trees and plants

D) Household cleaning products.

Answer:

a. 660 gallons

b.665 gallons

c. 1,800

When materials vibrate, waves are created that travel through the substance, and this energy is what we hear as sound. Earthquakes are earth vibrations that cause the (potential) energy held within rocks to be released (as a result of their pressure-generating relative positions). Seismic waves are produced by earthquakes.

How do sound waves and earthquakes compare?

The waves lose energy as they move through the air with sound or through the ground with shaking during an earthquake. Therefore, a band can be heard louder close to the stage than farther away, and an earthquake can be felt more strongly close to the fault than farther away.

In actuality, sound in the air cannot match how quickly earthquake waves move. In rock, the compressional or "P" wave of an earthquake moves at the In actuality, sound in the air cannot match how quickly earthquake waves move. The speed of a P wave is typically 10,000 mph. The speed of sound through air is roughly 750 mph.

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The graph shows a curved line indicating that as velocity increases, energy also increases, supporting the statement that velocity is directly related to energy. Option C is correct.

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Answer:

The final position is -69.8 m

Explanation:

Recall that displacement is defined as:

\(displacement=x_f-x_i\)

where \(x_f\) represents the final position, and \(x_i\) the initial position of the object (in our case 83.2 m). Since we also know the displacement (-153 m), we can solve the equation for the final position:

\(displacement=x_f-x_i\\-153=x_f-83.2\\-153+83.2=x_y\\x_f=-69.8\,\,m\)

The average frequency will be 465.5 Hz.

The frequency of light can be described as the number of waves passing through a point in a medium (or vacuum) per second.

Frequency generated by generator 1 = f1 = 460 Hz

Frequency produced by generator 2 = f2 = 471 Hz

the average frequency will be (f1 + f2) / 2

f1 + f2 = 460 + 471

f1 + f2 = 931 Hz

Average frequency = A = 931/2

A = 465.5 Hz

The average frequency we hear will be 465.5 Hz.

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Answer:

The angular momentum of the particle about the origin is \(\vec l = -19.305\,k\,\left[kg\cdot \frac{m}{s} \right]\).

Explanation:

Vectorially speaking, the angular momentum is given by the following cross product:

\(\vec l = \vec r \times m\vec v\)

This cross product can be solved with the help of determinants and its properties, that is:

\(\vec l = \left|\begin{array}{ccc}i&j&k\\r_{x}&r_{y}&0\\m\cdot v_{x}&m\cdot v_{y}&0\end{array}\right|\)

\(\vec l = m\left|\begin{array}{ccc}i&j&k\\r_{x}&r_{y}&0\\v_{x}& v_{y}&0\end{array}\right|\)

The 3 x 3 determinant is solved by the Sarrus Law:

\(\vec l = m \cdot (r_{x}\cdot v_{y} - r_{y}\cdot v_{x})k\)

If \(m = 1.30\,kg\), \(\vec r = 1.50\,i + 2.20\,j\,[m]\) and \(\vec v = 4.50\,i-3.30\,j\,\left[\frac{m}{s} \right]\), the angular momentum of the particle about the origin is:

\(\vec l = (1.30\,kg)\cdot \left[\left(1.50\,m\right)\cdot\left(-3.30\,\frac{m}{s} \right)-\left(2.20\,m\right)\cdot\left(4.50\,\frac{m}{s} \right)\right]k\)

\(\vec l = -19.305\,k\,\left[kg\cdot \frac{m}{s} \right]\)

The angular momentum of the particle about the origin is \(\vec l = -19.305\,k\,\left[kg\cdot \frac{m}{s} \right]\).

Based on the diagram, the correct statement is: Government and consumers make economic decisions in a mixed economy, while consumers make economic decisions in a market economy.

In a mixed economy, economic decisions are made by both the government and consumers.

The government plays a significant role in regulating and influencing economic activities through policies, regulations, and interventions.

In market economy, economic decisions are primarily made by consumers. The market forces of supply and demand dictate the allocation of resources, production levels, and pricing.

The freedom to buy and sell whatever they choose is what ultimately determines how commodities and services are produced and distributed.

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Answer: C. A few alpha particles bounced off a thin sheet of gold foil.