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March 25, 2017

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A rock of mass 0.086 kg is thrown upward with an initial speed of 13 m/s. Find the work done by gravity on the rock from the time it leaves the thrower's hand until it reaches the highest point on its trajectory. Hint: You do not have to calculate the rock's maximum height.

  • Physics - ,

    W(gravity)=ΔPE=ΔKE=
    KE2-KE1=0-mvₒ²/2= - 0.086•13²/2=...

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