Question

(a) When a man jumps out of the boat the boat moves in the
opposite direction. Which law of Newton is applied in it?
(b) A gun of mass 4 kg fires a bullet of mass 100 g with a speed
of 100 m's What is the recoil velocity of the gun​

Answer 1

Answer:

A )newton's third law of motion

Explanation:

every action has an equal and opposite reaction

Answer 2

Answer:

A) it is the third law of motion - to every action there is an equal and opposite reaction

Explanation:

in order to get out of the boat man exerts a force on the boat.This creates a force of reaction which enables him to step out of the boat.At the same instant ,the boat tends to leave the shore due to the force exerted by the man ..hope this helps