What is his recoil speed after releasing rock

Reference no: EM13645804

Bob, who has a mass of 65 kg, can throw a 600 g rock with a speedof 35 m/s. The distance through which his hand moves as heaccelerates the rock forward from rest until he releases it is 1.0m.
a. What constant force must Bob exert on the rock to throw it with this speed?
b. If Bob is standing on frictionless ice, what is his recoil speed after releasing the rock?

Reference no: EM13645804

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