What is the gravitational potential energy of a 2 kg mass at a height of 5 m?

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Question: What is the gravitational potential energy of a 2 kg mass at a height of 5 m?

Options:

Correct Answer: 20 J

Solution:

Using U = mgh, U = 2 kg * 9.8 m/s^2 * 5 m = 98 J.

What is the gravitational potential energy of a 2 kg mass at a height of 5 m?

What is the gravitational potential energy of a 2 kg mass at a height of 5 m?

Step 1: Identify the formula for gravitational potential energy, which is U = mgh.
Step 2: Identify the values needed for the formula: mass (m) = 2 kg, height (h) = 5 m, and gravitational acceleration (g) = 9.8 m/s^2.
Step 3: Substitute the values into the formula: U = 2 kg * 9.8 m/s^2 * 5 m.
Step 4: Calculate the multiplication: 2 kg * 9.8 m/s^2 = 19.6 kg*m/s^2.
Step 5: Now multiply that result by the height: 19.6 kg*m/s^2 * 5 m = 98 J.
Step 6: Conclude that the gravitational potential energy is 98 Joules.

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