NCERT Solutions for Class 11 Science Newton’s law of motion and friction 3
Important Board Questions
Newton’s law of motion and friction
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Two Marks Questions
A 50 g bullet is fired from a 10 kg gun with a speed of 500 ms⁻¹. What is the speed of the recoil of the gun?
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Initial momentum = 0
using conservation of linear momentum
mv + MV = 0
V= -mv/m
⇒ v = 2.5 m/s