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A moving body has a linear momentum of 30 kg m s⁻¹ and a mass of 6 kg. What is its velocity?
A5 m s⁻¹
B180 m s⁻¹
C36 m s⁻¹
D24 m s⁻¹
Answer & Solution
Correct answer: A. 5 m s⁻¹
1. Momentum p = m x v, so v = p / m.
2. Substitute: v = 30 / 6.
3. v = 5 m s⁻¹.
_Source: Samacheer Kalvi (TN SCERT) Class 10 Science, Unit 1 "Laws of Motion", p.19_
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