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The position vector of a particle relate...

The position vector of a particle related to time t is given by
`vecr`=(10t `hati` + 15 `t^2``hatj`+7`hatk`)m
The direction of net force experienced by the particle is :

A

Positive y-axis

B

In x - y plane

C

Positive x-axis

D

Positive z-axis

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