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velocity of a body of mass 2kg moving in...

velocity of a body of mass `2kg` moving in `x-y` plane is given by `vecv=(2hati+4thatj)m//s`, where `t` is the time in second. The power delivered to the body by the resultant force acting on it at `t=5sec` is.

A

`7mumg//5`

B

`4mumg//7`

C

`5mumg//7`

D

`7mumg//2`

Text Solution

AI Generated Solution

To solve the problem, we need to find the power delivered to a body of mass 2 kg moving in the x-y plane, with a given velocity vector. Let's break it down step by step. ### Step 1: Identify the velocity vector The velocity vector is given as: \[ \vec{v} = (2 \hat{i} + 4t \hat{j}) \, \text{m/s} \] where \( t \) is the time in seconds. ...
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