Physics, 27.01.2021 08:30 liammarinewoods

Bob who has a mass of 100 kg stands ona. Frictionless frozen lake with a 20 kg rock in his hands. He throws the rock forward with a velocity of +5 m/s. What is the velocity of bob after he throws the rock

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Bob who has a mass of 100 kg stands ona. Frictionless frozen lake with a 20 kg rock in his hands. He...