Question

Describe the motion of a body which is accelerating at a constant rate of 10m s-². If the body starts from rest, how much distance will it cover in 2 s? ​

Answer 1

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The velocity of this body is increasing at a rate of '10 metres per second'. every second.

Initial velocity, u=0m/s

Time, t=2s

Acceleration, a=10m/s^2

Using the second equation of motion,

$s = ut + \frac{1}{2} {at}^{2}$

$0 \times 2 + \frac{1}{2} \times 10 \times 2 \times 2$

=0+20=20m