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A 87 kg soccer player running East at 2.4 m/s, collides with another 73 kg player...

A 87 kg soccer player running East at 2.4 m/s, collides with another 73 kg player running West at 4 m/s. The off centre impact leaves the 73 kg player's velocity at 1.3 m/s at 20o N of W.

a) Determine the velocity of the 87 kg player after impact.   at  o South of East

b) Calculate the energy lost in the impact. (answer negative for loss)    

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