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Gopichand
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Poll
Asked: 2021-11-22T06:30:41+00:00 In:

The acceleration of a car that speeds up from 12 metre per second to 30 metre per second in 15 second is:

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Poll Results

0%[A] 2.4 metre per second square
75%[B] 1.2 metre per second square ( 3 voters )
25%[C] 2 metre per second square ( 1 voter )
0%[D] 5.2 metre per second square
Based On 4 Votes

Participate in Poll, Choose Your Answer.

a = dv/dt
The increase in speed = (30 -12) = 18 m/s.
Then,
A = 18/15 = 1.2 metre per second square

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    1 Answer

    1. [B] 1.2 metre per second square

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