Edward (35kg) and Elinor (25kg) are playing football. Elinor has gotten the ball and is runing straight north at 4.0 m/s. Edward is running 30…

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Edward (35kg) and Elinor (25kg) are playing football. Elinor has gotten the ball and is runing straight north at 4.0 m/s. Edward is running 30 degrees south of west to intercept.

a) What is the final velocity (magnitude and direction) of the two children (two-child system)?

b) How much energy is lost during their collision?

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