Help on energy conservation?

Physics help - Potential energy and conservation of energy?

  • A 9.0-kg block is thrown upward from a point 33m above Earth's surface. At what height above Earth's surface will the gravitational potential energy of the Earth-block system have increased by 500 J?

  • Answer:

    m*g*h = 500 + m*g*33 h = 38.66 m

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