Question

Q.9 A body starts from rest and travels with an acceleration of 1.5 m/s2. After t seconds its velocity is 6 m/s . Then t is....? (a) 10 s (b) 5 s (c) 4 s (d) 6 s



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Answer 1

Answer:

We know,

a = (v - u)/t

1.5 = (6 - 0)/t

1.5 × t = 6

t = 6/1.5

t = 4

So option (c) 4 s is correct.

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Answer 2

Answer:

We know,

a = (v - u)/t

1.5 = (6 - 0)/t

1.5 × t = 6

t = 6/1.5

t = 4

So option (c) 4 s is correct.

\huge \dag \sf{Keep \: Learning}