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Describe the motion of a body …

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Describe the motion of a body which is accelerating at a constant rate of 10 metre per second square. If the body starts from rest how much distance will it cover in 2 second?

Posted by Bhabana Sarma 4 years, 2 months ago

CBSE > Class 09 > Science

1 answers

Yogita Ingle 4 years, 2 months ago

As the body is moving in constant acceleration, the motion of the body is linear.

If the body starts from rest means its initial velocity is zero which is represented mathematically as u = 0.

The acceleration is constant i.e. and the time covered will be t = 2s.

So provided the data’s such as initial velocity, acceleration and time covered given, the distance covered in 2s can be calculated using the Newton’s third equation of motion, i.e.,

s= ut + 1/2at² ........ (I)

By substituting the known values in (1), we get

x = 0(2) + 1/2 (10) (2) (2)
x = 20m

Thus, the distance covered by the body in 2s is 20 meters.

1Thank You

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