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Select the correct answer.
What is the effect on the graph of f (x) = || when the function is changed to g (x)
=
O A.
OB.
O C.
OD.
: -2|x|?
The graph is reflected across the x-axis and compressed vertically by a factor of 2.
The graph is shifted down 2 units.
The graph is shifted to the left 2 units.
The graph is reflected across the x-axis and stretched vertically by a factor of 2.
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The coefficient of kinetic friction between the bag and the ground is found to be 0.0251. It represents the ratio of the frictional force to the normal force acting between them.

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Gravity on Uranus is 86% of Earths.

100 pounds x 86% = 86 pounds

You would weigh 86 pounds.

Measuring the movements of protons in a magnetic field is called magnetic resonance. Magnetic resonance is a procedure that employs a powerful magnetic field to create radio frequency signals (RF signals) and create an image of the internal structures of a body.

The human body has approximately 100 trillion cells, each with a nucleus that contains positively charged protons. Magnetic resonance works by altering the orientation of these protons using a powerful magnet. The radiofrequency waves are transmitted by a computer to interact with the protons. The signals generated by the protons are detected by the computer and used to produce the image.

Magnetic resonance imaging (MRI) is the most well-known application of magnetic resonance. MRI is utilized to produce high-resolution images of internal organs, bones, and tissues. The process is totally safe and painless, with no known long-term negative consequences.

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The pressure exerted by a force of 600 N applied vertically over a 20 m² area is 30 Pa.

The formula to calculate pressure is given by:

Pressure = Force/Area

Pressure is the force per unit area. Its unit is pascals (Pa) or newtons per square meter (N/m2).

How much pressure is exerted by a force of 600 N applied vertically over a 20 m2 area?

SolutionGiven, Force = 600 NArea = 20 m2Using the formula, we can calculate the pressure exerted:

Pressure = Force/AreaPressure = 600 N / 20 m2Pressure = 30 Pa

Therefore, the pressure exerted by a force of 600 N applied vertically over a 20 m2 area is 30 Pa.Answer:30 Pa.

Pressure = Force/AreaGiven Force

= 600 NArea

= 20 m² Pressure

= 600 N / 20 m²

= 30 Pa.

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Answer:

1 hour and 25 minutes

Explanation:

hopefully this helps ,, but like WHY phineas and ferb hshjdshjdhdhdbd im so childish

Spin is an intrinsic property of electron. This is useful to find comprehensive details about the electron in atom, such as, energy perturbation, angular momentum etc.

The term "spin quantum number" refers to the fourth quantum number that is presented to characterize the orientation of the electron spin (rotation) in space. It can move either clockwise or counterclockwise.

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Answer:

the question is so big and it

The vertical component of the tension is 1,177.05 N while the horizontal component of the tension is 127.47 × 3.90² = 1,949.04 N.

The magnitude of the centripetal acceleration is 2.14 m/s².

A) The vertical component of the tension equals the weight it supports, which is the weight of the person plus the weight of the basket:

Weight = (82.0 kg + 45.0 kg) × 9.81 m/s²

Weight = 1,177.05 N

Therefore, the vertical component of the tension is 1,177.05 N.

To find the horizontal component of the tension, we can use the fact that the net force in the horizontal direction is zero when the basket is moving at a constant speed.

The only horizontal force is the component of the tension perpendicular to the radius, so:

The horizontal component of tension = centripetal force

Horizontal component of tension = (mass × centripetal acceleration)

Horizontal component of tension = (82.0 kg + 45.0 kg) × (v²/7.10 m)

Horizontal component of tension = 127.47 v² N

Setting these two components equal to each other gives:

1,177.05 N = 127.47 v² N

Solving for v gives:

v = 3.90 m/s

Therefore, the horizontal component of the tension is 127.47 × 3.90² = 1,949.04 N.

B) The centripetal acceleration is given by:

a = v²/r

a = (3.90 m/s)²/7.10 m

a = 2.14 m/s²

Therefore, the magnitude of the centripetal acceleration is 2.14 m/s².

C) The speed of the basket and its passenger is 3.90 m/s.

D) The time it takes the basket to make one complete circle is given by:

T = 2πr/v

T = 2π(7.10 m)/3.90 m/s

T = 12.9 s

Therefore, it takes the basket 12.9 s to make one complete circle.

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According to Newton’s first law of motion, an object at rest will begin to move, when an unbalanced force acts upon it.

option B is the correct answer.

Newton's first law of motion, also known as the law of inertia, states that an object at rest will remain at rest, and an object in motion will continue in motion with a constant velocity unless acted upon by an external force.

In other words, an object will maintain its state of motion (whether it is at rest or moving in a straight line at a constant speed) unless a force acts upon it.

Thus, according to Newton’s first law of motion, an object at rest will begin to move, when an unbalanced force acts upon it.

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Answer:

its B

Explanation:

Answer:

100N

Explanation:

Force = Mass x Acceleration

Force = 0.4 kg x 250 m/s2

Force = 100N

When a spherical galaxy with stellar density n(r) is viewed from a great distance along the axis z, the surface density at distance R from the center is given by:

Σ(R) = 2∫_0^R n(r) dr

where n(r) is the stellar density as a function of radius r.

If n(r) = n0(r0/r)α, then the surface density is given by:

Σ(R) = 2n0R0α/(α+1)

As long as α > 1, the surface density Σ(R) will increase as R increases. However, if α < 1, the surface density Σ(R) will decrease as R increases. In the case where α < 1, the surface density Σ(R) remains finite as R increases because the volume density n(r) rises less steeply than n ocr1. This means that the stellar density falls off more rapidly with increasing radius than the surface density. As a result, the surface density does not diverge as R increases.

The surface density is highest at the center of the galaxy and decreases as R increases. The surface density is finite as R increases if α > 1. However, if α < 1, the surface density decreases as R increases and approaches zero as R approaches infinity.

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Answer:

D

Explanation:

Answer:

75m

Explanation:

Given parameters:

Distance covered by the boat = 15m

Time taken = 8s

Unknown:

Distance covered by the boat in 40s  = ?

Solution:

To solve this problem, we need to find the speed of the boat first;

    Speed = \(\frac{distance}{time}\)

Insert the parameters and solve;

    Speed  =\(\frac{15}{8}\) m/s

Now;

The boat will travel;    

    Distance  = speed x time

    Distance =   \(\frac{15}{8}\)  x 40  = 75m

Explanation:

the answer is

s= 1.0032 J/ g .C

The specific heat of the metal is  1.0032 J/ g .C.

The quantity of heat required to raise the temperature of one gram of a substance by one Celsius degree.

Putting above values in the equation we get,

      Cv = 5016/(500 x 10)

      Cv = 5016/5000

      Cv = 1.0032J/g .C

Thus , the specific heat of the metal is  1.0032 J/ g .C.

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Given,

The initial frequency of the heartbeat, f₁=1.45 Hz

The increased heartbeat, f₂=1.55 Hz

The frequency of the heartbeat can be described as the number of occurence of the heartbeat per second. That is every second, the heart beats 1.45 times.

(a)

Thus for a minute, the number of the heartbeats is,

Thus 87 beats occur for a minute.

(b)The increase in the frequency of the heartbeat implies the increase in the number of the heartbeat for every second. And hence the beats in a minute increase when the frequency of the heartbeat increases.

(c)

The number of the beats per minute after the increase of the frequency is,

Thus after the increase in the frequency, 93 beats occur in a minute.

The mass and radius of the moon are 7.4 × 10²² kg and 1.7 × 10⁶ m, respectively. The weight of a 1.0-kg object on the surface of the moon is 1.62 N.

The gravitational force between the moon and any object located on its surface depends on the mass of the moon, the distance from the object to the moon’s center, and the universal gravitational constant. The weight of an object on the moon is given by the formula:W = mg, where W is the weight of the object, m is the mass of the object, and g is the gravitational acceleration at the surface of the moon.The gravitational acceleration on the surface of the moon is 1.62 m/s².

Thus, the weight of a 1.0-kg object on the surface of the moon can be determined by multiplying the object's mass by the gravitational acceleration on the surface of the moon as follows:W = mg= 1.0 kg × 1.62 m/s²= 1.62 N. Therefore, a 1.0-kg object on the surface of the moon would weigh 1.62 N.

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Explanation:

Sound travels more quickly through solids than through liquids and gases because the molecules of a solid are closer together and, therefore, can transmit the vibrations faster. Sound travels most slowly through gases because the molecules of a gas are farthest apart.

Answer: ITS T

Explanation:

In a motor, electrical current enters through the brushes. TRUE.

Kinetic energy is the energy of an object that is in motion. It can be calculated by using the formula KE = (1/2)mv², where m is the mass of the object and v is the velocity of the object.

Kinetic energy is the energy of motion. When an object is in motion, it has kinetic energy. This type of energy is the result of an object's mass and velocity. The kinetic energy of an object is equal to one half of its mass multiplied by the square of its velocity. Kinetic energy can be converted into other forms of energy, such as electrical energy and thermal energy. Kinetic energy can also be transferred between objects when they collide. Kinetic energy is used in many everyday activities, such as running and cycling.

(a) KE = (1/2) (45 g) (20 m/s)2 = 18000 g m2/s2 = 18 J
(b) KE = (1/2) (45 g) (40 m/s)2 = 72000 g m2/s2 = 72 J
(c) KE = (1/2) (45 g) (60 m/s)2 = 162,000 g m2/s2 = 162 J.

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The efficiency of the washing machine would be 7.41%.

The efficiency of any machine is a measure of the useful energy of the machine.

More specifically, the efficiency of a machine is the ratio of the input energy to the output energy.

Mathematically:

Efficiency = output energy/input energy x 100%

For a machine that uses 1039 W of energy, this simply means that the input energy of the machine is 1039 W. However, not all of this energy will be used to work.

Hence, the amount of useful energy of the machine can be calculated as:

1039 - (274+688) = 77 W

Thus:

Efficiency = 77/1039 x 100

                = 7.41 %

In other words, the efficiency of the washing machine is 7.41% when rounded to 2 decimal places.

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The statement that is usually not true concerning a sea breeze circulation is: a. They mainly occur at night.

Sea breeze circulations typically occur during the daytime rather than at night. During the day, the land heats up faster than the adjacent body of water, creating a temperature difference. This temperature difference leads to the development of a sea breeze, where cooler air from the water moves towards the warmer land. As a result, options b, c, and d are generally true for a sea breeze circulation.

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The Doppler effect can be used to measure radial motion, which refers to the motion of objects along the line of sight. In the context of stars, the Doppler effect allows astronomers to determine the radial velocity of stars, which is their motion towards or away from the observer.

When a star moves towards an observer, the observed wavelengths of the light emitted by the star are compressed, resulting in a blue shift. On the other hand, when a star moves away from an observer, the observed wavelengths are stretched, leading to a red shift. By analyzing the shift in the wavelengths of the star's spectral lines, astronomers can determine the star's radial velocity.

The Doppler effect is a valuable tool for studying the motion of stars, including the motion of binary star systems, the rotation of stars, and even the motion of galaxies. It allows astronomers to investigate the dynamics and kinematics of celestial objects and gain insights into their behavior and interactions.

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Cutting a magnet in half creates two new magnets, each with one north pole and one south pole.

When you cut a magnet in half between the north and south poles, you effectively create two new, smaller magnets. Each of these new magnets will have its own north pole and south pole.

This happens because the magnetic domains within the magnet reorient themselves, forming two separate magnetic fields with distinct north and south poles.

In essence, cutting a magnet does not eliminate its poles; rather, it results in the creation of two new magnets, each possessing a north and a south pole.

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Answer:

Models are used to study atoms because we can never really see an atom up close, and a model is like a super magnified version of the atom. Plus, its easier to study from them because we can pin point the different characteristics of the atom (Protons, Neutrons, etc.)

Explanation:

Hope this helps! :>

Answer:

I believe its because the molecules are to small to see with the human eye and because the process would be very dangerous and somebody could get hurt.