Question

14.A bullet fired from a rifle with a velocity of
400 ms" falls upon the ground with a
velocity of 40 m/s. The mass of the bullet is
10 g. What work will be performed against
the force of resistance of the air when the
bullet is flying?
1) 800
2) 1600J
3) 1800J
4) 3200​

Answer 1

14.A bullet fired from a rifle with a velocity of

400 ms" falls upon the ground with a

velocity of 40 m/s. The mass of the bullet is

10 g. What work will be performed against

the force of resistance of the air when the

bullet is flying?

1) 800

2) 1600J

3) 1800J

4) 3200