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During a pair ice skating, a 60-kg female ice skater leaps into the air and is...

During a pair ice skating, a 60-kg female ice skater leaps into the air and is caught by her 70-kg partner who was stationary.

a. Assuming negligible friction on ice what is the velocity of the pair if the horizontal velocity of the female skater right before she was caught in the air was 5 m/s?

b. What is the total KE before she was caught? What is the total KE after she was caught?

c. Knowing that the skaters stuck together it is a perfectly inelastic collision. How much kinetic energy is lost?

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