What was the velocity of the cart after the boy jumped
A 50 kg cart is moving across a frictionless floor at 2 m/s. A 70 kg boy, riding the cart, jumps off so that he hits the floor with zero velocity. What impulse did the boy give to the cart? What was the velocity of the cart after the boy jumped?
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Jumps off so that he hits the floor with zero velocity. What impulse did the boy give to the cart? What was the velocity of the cart after the boy jumped?
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Suppose light coming from the air strikes a rectangular slab of material with index of refraction 2.5 and incident angle 60 degrees. At what angle from the normal will it leave the other side of the material?
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