A bullet of mass 50g is moving with a of velocity of 500m/s.
It penetrates 10cm into a still target and comes to rest calculate
a)The K.E possessed by the bullet
b)The average retarding force offered by the target.
Share
A bullet of mass 50g is moving with a of velocity of 500m/s.
It penetrates 10cm into a still target and comes to rest calculate
a)The K.E possessed by the bullet
b)The average retarding force offered by the target.
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
Explanation:
m = 0.05 kg
v = 500m/s
K.E = 1/2 mv²
= 1/2 × 0.05 × 500 × 500
= 0.05 × 500 × 250
= 6250 Joule
b)
Displacement = 0.1m
W = FD
6250 = F×0.1
F = 62500 N ( retarding force ) or -62500 N