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A 3 kg object is moving with a velocity of 4 m/s. What is its momentum?

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Question: A 3 kg object is moving with a velocity of 4 m/s. What is its momentum?

Options:

  1. 6 kg·m/s
  2. 12 kg·m/s
  3. 9 kg·m/s
  4. 15 kg·m/s

Correct Answer: 12 kg·m/s

Solution: 

Momentum = mass × velocity = 3 kg × 4 m/s = 12 kg·m/s.

A 3 kg object is moving with a velocity of 4 m/s. What is its momentum?

Practice Questions

Q1
A 3 kg object is moving with a velocity of 4 m/s. What is its momentum?
  1. 6 kg·m/s
  2. 12 kg·m/s
  3. 9 kg·m/s
  4. 15 kg·m/s

Questions & Step-by-Step Solutions

A 3 kg object is moving with a velocity of 4 m/s. What is its momentum?
  • Step 1: Identify the mass of the object. In this case, the mass is 3 kg.
  • Step 2: Identify the velocity of the object. Here, the velocity is 4 m/s.
  • Step 3: Use the formula for momentum, which is Momentum = mass × velocity.
  • Step 4: Substitute the values into the formula: Momentum = 3 kg × 4 m/s.
  • Step 5: Calculate the result: 3 kg × 4 m/s = 12 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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