Question

Dhanush is a student of class IX. He bought a toy gun from the market. The bullets used in gun were made of rubber and has the mass of 5 gm. At the time of firing the gun produces the acceleration of 100 m/s2 .Sourav able to hold the gun very tightly such that he can withstand with the backward thrust produces by the gun while firing. The rubber bullet can go up to maximum of 10 m in the horizontal direction. Answer the following questions based on the above paragraph. (a) What is the work done by the gun on the rubber bullet? (b) Is the work done by the gun on the bullet positive or negative? (c) What is the work done by the gun on Sourav, when the gun recoils after firing the bullet?​

Answer 1

Explanation:

W = F•S

a.) w = 0.005 × 100 × 10

5 joules

b) positive

c)