3 years ago

Which of the following is an example of acceleration?

Physics

1 answer:

Naddika [18.5K]3 years ago

7 0

Answer:

Explanation:

When a satellite is orbiting the earth , a constant force is being applied on it which means it must has acceleration. Also the direction of satellite is always being changed when it is orbitting to there is always change in the velocity vector which means acceleration.

You can view in the attached diagram to understand how the velocity is being changed.

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A horizontal disk rotates about a vertical axis through its center. Point P is midway between the center and the rim of the disk

hjlf

Answer:

The answer is explained below.

Explanation:

All the point on the disk has same angular acceleration. Here, the point P is at the midway between the center and the rim of the disk and the point Q is at rim of the disk.

So, the distance of the point Q from the axis is twicee the distance of the point P from the axis.

Rp - R

Rq - 2R

The linear acceleration is

α2 - Rα

So, the linear acceleration of Q is twice as great as the linear acceleration of P.

The speed of the particle when it is in the circular motion depends on the radius of the particle.

In this case, the speed of point Q is twice the speed of point P.

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3 years ago

Which statement is TRUE about white light?

Olegator [25]

B: It contains all of the wavelengths of the visible light spectrum.
Hope this helps mate =)

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3 years ago

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List the metric base units for the following:

77julia77 [94]

Meter
meter
gram
Celsius

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3 years ago

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A nuclear power plant operates at 40.0% efficiency with a continuous production of 1192 MW of usable power in 1.00 year and cons

Maurinko [17]

Answer:

the answer is in the picture below......

4 0

3 years ago

An object is dropped from a height h. during the final second of its fall, it traverses a distance of 41.2 m. what was h?

Leya [2.2K]

41.2 = h-1/2g(t-1)^2
 {-h = -1/2gt^2-1/2g+g*t-41.2
 {h = 1/2gt^2
 summing them up
 0 = -1/2g+g*t-41.2
 41.2 +4.9 = g*t
 t = 46.1/9.8 = 4.70 sec
 h = 1/2gt^2 =4.9*(4.70^2) = 108.241 m

3 0

3 years ago