Would this be an elastc or inelastic collison

Reference no: EM13553743

A hockey goalie in full gear has a mass of 100.kg. A 0.145 kg puck is shot at him with a veloctiy of 49m/s.

A) How fast must the goalie skate out so that he does not move backwards once he makes the save?

b) Would this be an elastc or inelastic collison? Explain?

Reference no: EM13553743

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