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A particle is moving on a circular track...

A particle is moving on a circular track of radius 30 cm with a constant speed of `6ms^(-1)`. Its acceleration is

A

zero

B

120`ms^(-2)`

C

`1.2ms^(-2)`

D

36`ms^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`a_(t)=0,a=a_(n)=(v^(2))/(R)=(6)^(2)/(0.3)=120ms^(-2)`
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