• A child throws a 0.50 kg snowball at his friend at 12.0 m/s but the snowball lands on the ground in front of his friend. The snowball is 1.3 m above the ground when it leaves the child's hand. 
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• a. What is the (i) kinetic energy & (ii) potential energy of the snowball at the time of release?
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• b. What is the total/ Mechanical energy of the snowball (i) at the time of release & (ii) just before it hits the ground? 
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• c. What is the snowball's kinetic energy just before it hits the ground in front of his friend?
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• d. How fast is the snowball moving just before it hits the ground in front of his friend?

Answer rating: 100% (QA)

To solve this problem we will use the concepts of kinetic energy potential energy and mechanical energy Given Mass of the snowball m 050 kg Initial ve... View the full answer