Lessons

Eamcet Physics
1 st Year : Unit 4.3 ( Work-Power And Energy) - Collisions

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Q.

A rifle of 20kg mass can fire 4 bullets per second. The mass of each bullet is 35 × 10-3kg and its final velocity is 400ms-1. Then what force must be applied on the rifle so that it does not more backwards while firing the bullets

View Answer

Correct choice: D

Explanation:

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