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Question

When a particle's distance traveled is proportional to the squares of time, the particle travels with


A

Uniform acceleration

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B

Uniform velocity

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C

Increasing acceleration

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D

Decreasing velocity

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Solution

The correct option is A

Uniform acceleration


Step: 1 Given data:

The equation of motion is s=kt2

where s=distance, k=constant, and t=time

Step: 2 Formula used:

Accelerationa=d2sdt2

Step: 3 Calculate Acceleration:

a=d2sdt2=d2kt2dt=2k2k=constant

Therefore the acceleration will be uniform

Hence option A is correct.


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