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An object moves at a constant speed alon...

An object moves at a constant speed along a circular path in a horizontal xy plane with the centre at the origin. When the object is at x=-2m its velocity is `4m//s hatj` . what is the object's acceleration when it is y=2m

A

`-8m//s^2 hatj`

B

`8m//s^2 hati`

C

`-4m//s^2 hatj`

D

`4m//s^2 hati`

Text Solution

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The correct Answer is:
A
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