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Question

In the given figure , a=102 m/s2 represents the total acceleration of a particle moving in the clockwise direction on a circle of radius R=2 m at a given instant of time. Speed of the particle is:

A
25 m/s
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B
35 m/s
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C
52 m/s
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D
53 m/s
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Solution

The correct option is A 25 m/s
Given, Acceleration, a=102 m/s2
Radius, R=2 m
According to question,

we know that for circular motion.
ac=v2R
a cos 45=v2Rv=2×102×12
v=25 m/s

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