Velocity and acceleration of a particle at some instant of time are V^{\to}=(2i^{\^} + j^{\^} + 2k^{\^})\ms ^{-1} and a^{\to}= ({i ^{\^}+ 6 j^{\^}-k^{\^}}) \ms^{-1} , then the component of acceleration along the direction of velocity is .....

Correct Answer is : Increasing at the rate of 2ms−1

Increasing at the rate of 2\ms ^{-1}

Decreasing at the rate of 2\ms ^{-1}

Increasing at the rate of 4\ms^{-1}

Decreasing at the rate of 4\ms^{-1}

AP and TS EAMCET Engineering Model Paper 18

Question : 82 of 160

Marks: +1, -0

Velocity and acceleration of a particle at some instant of time are

→

=(2

)ms−1 and

→

−

)ms−1 , then the component of acceleration along the direction of velocity is .....

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