Energy Calculations Practice
Kinetic Energy, Potential Energy, and Conservation of Energy
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Topics of this game:
- Which of the following would serve as an example of an object with high amounts of potential energy?
- Which of the following would serve as an example of an object with high amounts of kinetic energy?
- The law of conservation of energy states that
- A 75-kg refrigerator is located on the 70th floor of a skyscraper (300 meters above the ground). What is the potential energy of the refrigerator?
- The potential energy of a 40-kg cannon ball is 14,000 J. How high was the cannon ball at this moment to have this much potential energy?
- What is the mass of a stone that is sitting on the edge of a canyon at 150 meters with a potential energy of 1,960 J?
- What is the kinetic energy of a 9 kg mass travelling at 2 m/s?
- A 6 kg mass has a KE of 75 J. What is its velocity?
- What is the mass of an object that has 100 J of KE when moving at 5 m/s?
- A ball has 100 J of potential energy at the top of the hill. Based on the law of conservation of energy, how much kinetic energy will the ball have when it reaches the bottom?
- A cannonball is launched with a kinetic energy of 75 J. When it reaches its highest point, it stops in the air for a moment. According to the law of conservation of energy, how much potential energy does the cannonball have at this moment?
- Martha drops a 1 kg rock off the top of Black Oak Canyon which is 1OOm deep. What is the KE of the rock the instant before it hits bottom?
- Fred throws a 6 kg stone into the air with an upward velocity of 10 m/s. What will be the GPE of the stone at its highest point?
- An object starts with 100 J of potential energy and falls. At the moment the object is halfway between the ground and the starting position, how much potential energy and kinetic energy does the object have?
- Jessica throws a 2 kg ball into the air at 7m/s. How high will the ball go?
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