A ball of mass m is thrown from ground with speed u at an angle theta with horizontal. Find the power when the ball is at maximum height of the trajectory
Answers
Answer:
zero!
Explanation:
we have to find power delivered by gravity so, use just vertical component...since the vertical component of velocity becomes zero at highest point...there is no velocity..hence no force...hence no power!
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Answer:
0
Explanation:
We are given that  ball of mass m is thrown from the ground with speed u at an angle theta with the horizontal.
We have to find the power when the power is at maximum height of the trajectory.
When a ball is thrown and reach at maximum height of the trajectory then velocity of ball at this point has only vertical component.When it reach at the maximum height then the velocity is zero.The ball is at rest at this point.
Therefore, there is no work done by the ball and no power.
Because power=Work done multiplied by time
When work done is zero then power is also zero.