The position vector of a particle is v...

The position vector of a particle is
`vecr=2t^(2)hatx+3thaty+4ghatz`
Then the instantaneous velocity `vecv` and acceleration `veca` respectively lie

on xy plane and along z-direction

on yz-plane and along x-direction

on yz-plane and along y-direction

on xy-plane and along x-direction

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The position vector of a particle is
`vecr=2t^(2)hatx+3thaty+4ghatz`
Then the instantaneous velocity `vecv` and acceleration `veca` respectively lie