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An object of mass 8 kg is moving with a velocity of 5 m/s. What is its momentum?

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Question: An object of mass 8 kg is moving with a velocity of 5 m/s. What is its momentum? (2020)

Options:

  1. 20 kg·m/s
  2. 30 kg·m/s
  3. 40 kg·m/s
  4. 50 kg·m/s

Correct Answer: 20 kg·m/s

Exam Year: 2020

Solution: 

Momentum = Mass × Velocity = 8 kg × 5 m/s = 40 kg·m/s.

An object of mass 8 kg is moving with a velocity of 5 m/s. What is its momentum?

Practice Questions

Q1
An object of mass 8 kg is moving with a velocity of 5 m/s. What is its momentum? (2020)
  1. 20 kg·m/s
  2. 30 kg·m/s
  3. 40 kg·m/s
  4. 50 kg·m/s

Questions & Step-by-Step Solutions

An object of mass 8 kg is moving with a velocity of 5 m/s. What is its momentum? (2020)
  • Step 1: Identify the mass of the object. In this case, the mass is 8 kg.
  • Step 2: Identify the velocity of the object. Here, the velocity is 5 m/s.
  • Step 3: Use the formula for momentum, which is Momentum = Mass × Velocity.
  • Step 4: Substitute the values into the formula: Momentum = 8 kg × 5 m/s.
  • Step 5: Calculate the result: 8 kg × 5 m/s = 40 kg·m/s.
  • Momentum – Momentum is the product of an object's mass and its velocity, representing the quantity of motion an object has.
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