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What is the gravitational potential energy of a mass of 10 kg at a height of 5 m
What is the gravitational potential energy of a mass of 10 kg at a height of 5 m above the ground? (2000)
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Practice Questions
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Q1
What is the gravitational potential energy of a mass of 10 kg at a height of 5 m above the ground? (2000)
500 J
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2000 J
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Gravitational potential energy U = mgh = 10 kg * 9.8 m/s² * 5 m = 490 J, approximately 500 J.
Questions & Step-by-step Solutions
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Q
Q: What is the gravitational potential energy of a mass of 10 kg at a height of 5 m above the ground? (2000)
Solution:
Gravitational potential energy U = mgh = 10 kg * 9.8 m/s² * 5 m = 490 J, approximately 500 J.
Steps: 7
Show Steps
Step 1: Identify the mass (m) of the object. In this case, it is 10 kg.
Step 2: Identify the height (h) above the ground. Here, it is 5 m.
Step 3: Use the acceleration due to gravity (g). The standard value is approximately 9.8 m/s².
Step 4: Use the formula for gravitational potential energy: U = mgh.
Step 5: Substitute the values into the formula: U = 10 kg * 9.8 m/s² * 5 m.
Step 6: Calculate the result: U = 10 * 9.8 * 5 = 490 J.
Step 7: Round the answer if needed. Here, 490 J is approximately 500 J.
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