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The distance travelled by a body is prop...

The distance travelled by a body is proportional to the square of time. What type of motion this body has ?

A

uniform acceleration

B

variable acceleration

C

uniform retardation

D

uniform velocity

Text Solution

Verified by Experts

The correct Answer is:
A
As, `s prop t^(2)`
`rArr s=kt^(2)`
`rArr (ds)/(dt) =2kt`
It is time dependent and so velocity is not uniform.
`(d^(2)s)/(dt^(2)=2k`.
It is positive and a constant.
Hence, it denotes uniform acceleration.
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