Laws of Motion

Question: 10,000 small balls, each weighing 1 gm, strike one square cm of area per second with a velocity 100 m/s in a normal direction and rebound with the same velocity. The value of pressure on the surface will be

1) $2 \times {10^3}\,N/{m^2}$

2) $2 \times {10^5}\,N/{m^2}$

3) ${10^7}\,N/{m^2}$

4) $2 \times {10^7}\,N/{m^2}$

Solution:

Explanation: No Explanation

Second Law of Motion NLM

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