Olaf is standing on a sheet of ice that covers the football stadium parking lot

Question

Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New York; there is negligible friction between his feet and the ice. A friend throws Olaf a ball of mass 0.400 kg that is traveling horizontally at 11.1 m/s . Olaf's mass is 70.3 kg .

1) If Olaf catches the ball, with what speed vf do Olaf and the ball move afterward?

2)If the ball hits Olaf and bounces off his chest horizontally at 7.70 m/s in the opposite direction, what is his speed vf after the collision?

express answer in meters per second

Explanation / Answer

Olaf is standing on a sheet of ice that covers the football stadium parking lot

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