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Type: Multiple-Choice
Category: Forces and Motion
Level: College
Tags: projectile motion
Author: BBukalov
Last Modified: 10 years ago

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College Forces and Motion

On a certain planet, a ball is thrown upward with a kinetic energy of 100 J and an angle of elevation of 45°. If the ball has a kinetic energy of 75 J at a height of 10 m, what is the maximum height of its trajectory?
  1. 10 m
  2. 20 m
  3. 40 m
  4. 60 m
  5. 80 m