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

Practice Questions

Q1
What is the gravitational potential energy of a 10 kg mass at a height of 5 m above the ground?
  1. 50 J
  2. 100 J
  3. 0 J
  4. 10 J

Questions & Step-by-Step Solutions

What is the gravitational potential energy of a 10 kg mass at a height of 5 m above the ground?
  • Step 1: Identify the mass of the object. In this case, the mass (m) is 10 kg.
  • Step 2: Identify the height above the ground. Here, the height (h) is 5 m.
  • Step 3: Know the acceleration due to gravity (g). It is approximately 9.8 m/s² on Earth.
  • 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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