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What is the angular momentum of a particle of mass 2 kg moving in a circle of ra

Practice Questions

Q1
What is the angular momentum of a particle of mass 2 kg moving in a circle of radius 3 m with a speed of 4 m/s? (2021)
  1. 24 kg·m²/s
  2. 12 kg·m²/s
  3. 6 kg·m²/s
  4. 8 kg·m²/s

Questions & Step-by-Step Solutions

What is the angular momentum of a particle of mass 2 kg moving in a circle of radius 3 m with a speed of 4 m/s? (2021)
  • Step 1: Identify the mass of the particle. In this case, the mass (m) is 2 kg.
  • Step 2: Identify the radius of the circle. Here, the radius (r) is 3 m.
  • Step 3: Identify the speed of the particle. The speed (v) is 4 m/s.
  • Step 4: Use the formula for angular momentum, which is L = mvr.
  • Step 5: Substitute the values into the formula: L = 2 kg * 4 m/s * 3 m.
  • Step 6: Calculate the result: L = 2 * 4 * 3 = 24 kg·m²/s.
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