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Question

The displacement (s) of a particle is proportional to the first power of time t, i.e., st; then the acceleration of the particle is

A
Infinite
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B
Zero
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C
A small finite value
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D
A large finite value
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Solution

The correct option is B Zero
Let s=kt+c
Differentiating s twice to get acceleration, we see that
d2sdt2=0
Acceleration comes out to be zero.

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