10,000 small balls, each weighing 1 g, strike one square cm of area per second with a…
Physics · JEE Main · NTA Exams — Laws of Motion
10,000 small balls, each weighing 1 g, strike one square cm of area per second with a velocity 100 m/s in a normal direction and rebound with the same speed. The value of pressure on the surface will be :
- \(2 \times 10^{3} \mathrm{~N} / \mathrm{m}^{2}\)
- \(2 \times 5^{5} \mathrm{~N} / \mathrm{m}^{2}\)
- \(10^{7} \mathrm{~N} / \mathrm{m}^{2}\)
- \(2 \times 10^{7} \mathrm{~N} / \mathrm{m}^{2}\)
Answer
(D) 2 10^ 7 ~N / m ^ 2
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