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

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Question: What is the gravitational potential energy of a 10 kg mass at a height of 5 m? (2019)

Options:

  1. 50 J
  2. 100 J
  3. 150 J
  4. 200 J

Correct Answer: 100 J

Exam Year: 2019

Solution: 

Gravitational potential energy (PE) = m * g * h = 10 kg * 9.81 m/s² * 5 m = 490.5 J.

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

Practice Questions

Q1
What is the gravitational potential energy of a 10 kg mass at a height of 5 m? (2019)
  1. 50 J
  2. 100 J
  3. 150 J
  4. 200 J

Questions & Step-by-Step Solutions

What is the gravitational potential energy of a 10 kg mass at a height of 5 m? (2019)
  • 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: Know the acceleration due to gravity (g). It is approximately 9.81 m/s² on Earth.
  • Step 4: Use the formula for gravitational potential energy (PE): PE = m * g * h.
  • Step 5: Substitute the values into the formula: PE = 10 kg * 9.81 m/s² * 5 m.
  • Step 6: Calculate the result: 10 * 9.81 * 5 = 490.5 J.
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