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6 January, 15:36

pitcher exerts 100.0N of Force on a ball with a power output of 450 W. What is the velocity of the ball

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  1. 6 January, 16:23
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    Power = Force * velocity

    450 = 100V

    V = 4.5 m / s
  2. 6 January, 16:51
    0
    Power is defined as the amount of work over a certain amount of time. Work is also Force times the distance traveled. Simplifying the expression makes it Power=Force x Velocity. Since we are given that the power is 4500 W and the force is 100 N, dividing the Power by force gives 45 m/s, which is the velocity of the ball.
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