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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.

  • 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. 

  • a. What is the (i) kinetic energy & (ii) potential energy of the snowball at the time of release?

  • b. What is the total/ Mechanical energy of the snowball (i) at the time of release & (ii) just before it hits the ground? 

  • c. What is the snowball's kinetic energy just before it hits the ground in front of his friend?

  • d. How fast is the snowball moving just before it hits the ground in front of his friend?

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