Physics

A 69.5kg football player is gliding across very smooth ice at 2.15m/s . He throws a 0.470kg football straight forward.

A) What is the player's speed afterward if the ball is thrown at 16.0m/s relative to the ground?

B) What is the player's speed afterward if the ball is thrown at 16.0m/s relative to the player?

asked by HELP PLEASE
  1. See previous post
    http://www.jiskha.com/display.cgi?id=1401230418

    posted by MathMate

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