A 3 kg object is moving with a momentum of 12 kg·m/s. What is its velocity?

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Question: A 3 kg object is moving with a momentum of 12 kg·m/s. What is its velocity?

Options:

Correct Answer: 4 m/s

Solution:

Momentum (p) = mass (m) × velocity (v) => velocity (v) = p/m = 12 kg·m/s / 3 kg = 4 m/s.

A 3 kg object is moving with a momentum of 12 kg·m/s. What is its velocity?

A 3 kg object is moving with a momentum of 12 kg·m/s. What is its velocity?

Step 1: Understand the formula for momentum, which is p = m × v, where p is momentum, m is mass, and v is velocity.
Step 2: Identify the values given in the question: mass (m) = 3 kg and momentum (p) = 12 kg·m/s.
Step 3: Rearrange the formula to solve for velocity (v): v = p / m.
Step 4: Substitute the values into the formula: v = 12 kg·m/s / 3 kg.
Step 5: Perform the division: 12 divided by 3 equals 4.
Step 6: Conclude that the velocity (v) of the object is 4 m/s.

Momentum – Momentum is the product of an object's mass and its velocity, represented by the formula p = m × v.
Velocity Calculation – Velocity can be calculated by rearranging the momentum formula to v = p/m.