The law of motion of a body moving along...

The law of motion of a body moving along a straight line is `x=1/2vt`, x being its distance from a fixed point on the line at time t and v is its velocity there. Then

A

acceleration f varies directly with x

B

acceleration f varies inversely with x

C

acceleration f is constant

D

acceleration f varies directly with t

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The correct Answer is:

A

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