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 above the ground? (g = 9.8 m/s²)

Options:

Correct Answer: 490 J

Solution:

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 above the ground? (g = 9.8 m/s²)

What is the gravitational potential energy of a mass of 10 kg at a height of 5 m above the ground? (g = 9.8 m/s²)

Step 1: Identify the formula for gravitational potential energy, which is U = mgh.
Step 2: Identify the values needed for the formula: mass (m) = 10 kg, height (h) = 5 m, and gravitational acceleration (g) = 9.8 m/s².
Step 3: Substitute the values into the formula: U = 10 kg * 9.8 m/s² * 5 m.
Step 4: Calculate the multiplication: 10 * 9.8 = 98.
Step 5: Now multiply the result by 5: 98 * 5 = 490.
Step 6: The gravitational potential energy is 490 Joules (J).

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