Homework Help: physics

Posted by em on Sunday, May 1, 2011 at 8:59pm.

A tennis player places a 55 kg ball machine on a frictionless surface. The machine fires a 0.065 kg tennis ball horizontally with a velocity of 55 m/s toward the north. What is the final velocity of the machine?

Enter your answer here: m/s

physics - rahaf, Monday, May 27, 2013 at 1:09pm
2.87x10^-5 kg

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