If block B moves towards right with acce...

If block B moves towards right with acceleration b, find the net acceleration of block A.

`bhat(i)+4bhat(j)`

`bhat(i)+bhat(j)`

`bhat(i)+2bhat(j)`

None of these

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The correct Answer is:

Acceleration of A in horizontal direction= the acceleration of B=b rightwards
Acceleration of A in vertical direction =the acceleration of A with respect to b in upwards direction `=a=4b`.
Hence, net acceleration of `A=b hat(i) + 4b hat(j)`.

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