What is the gravitational potential energy of a mass of 10 kg at a height of 5 m

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Question: What is the gravitational potential energy of a mass of 10 kg at a height of 5 m in a gravitational field of strength 9.8 N/kg?

Options:

Correct Answer: 490 J

Solution:

Gravitational potential energy U = mgh = 10 * 9.8 * 5 = 490 J.

What is the gravitational potential energy of a mass of 10 kg at a height of 5 m in a gravitational field of strength 9.8 N/kg?

What is the gravitational potential energy of a mass of 10 kg at a height of 5 m in a gravitational field of strength 9.8 N/kg?

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 gravitational field strength (g). For this problem, g is 9.8 N/kg.
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 N/kg * 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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