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What is the gravitational potential energy of a 10 kg mass at a height of 5 m ab
What is the gravitational potential energy of a 10 kg mass at a height of 5 m above the ground? (g = 9.8 m/s²)
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Practice Questions
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Q1
What is the gravitational potential energy of a 10 kg mass at a height of 5 m above the ground? (g = 9.8 m/s²)
490 J
4900 J
98 J
980 J
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Gravitational potential energy (U) is given by U = mgh = 10 kg * 9.8 m/s² * 5 m = 490 J.
Questions & Step-by-step Solutions
1 item
Q
Q: What is the gravitational potential energy of a 10 kg mass at a height of 5 m above the ground? (g = 9.8 m/s²)
Solution:
Gravitational potential energy (U) is given by U = mgh = 10 kg * 9.8 m/s² * 5 m = 490 J.
Steps: 7
Show Steps
Step 1: Identify the mass (m) of the object. In this case, the mass is 10 kg.
Step 2: Identify the height (h) above the ground. Here, the height is 5 m.
Step 3: Identify the acceleration due to gravity (g). It is given as 9.8 m/s².
Step 4: Use the formula for gravitational potential energy, which is U = mgh.
Step 5: Substitute the values into the formula: U = 10 kg * 9.8 m/s² * 5 m.
Step 6: Calculate the result: 10 * 9.8 * 5 = 490 J.
Step 7: Conclude that the gravitational potential energy is 490 Joules.
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