What is the gravitational potential energy of a mass of 2 kg at a height of 10 m

Practice Questions

Q1
What is the gravitational potential energy of a mass of 2 kg at a height of 10 m? (g = 9.8 m/s²)
  1. 19.6 J
  2. 39.2 J
  3. 78.4 J
  4. 98 J

Questions & Step-by-Step Solutions

What is the gravitational potential energy of a mass of 2 kg at a height of 10 m? (g = 9.8 m/s²)
  • Step 1: Identify the formula for gravitational potential energy (PE), which is PE = mgh.
  • Step 2: Identify the values needed for the formula: mass (m) = 2 kg, height (h) = 10 m, and gravitational acceleration (g) = 9.8 m/s².
  • Step 3: Substitute the values into the formula: PE = 2 kg * 9.8 m/s² * 10 m.
  • Step 4: Calculate the multiplication: 2 * 9.8 = 19.6.
  • Step 5: Now multiply the result by the height: 19.6 * 10 = 196.
  • Step 6: The gravitational potential energy is 196 Joules (J).
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