Question

FIND THE SOLUTION
QUESTION IS IN THE ATTACHEMENT BELOW

Answer 1

Answer:

1. ∴ Retardation caused by the target is -4000 m/s²

Explanation:

Initial velo u = 20 m/s

Final velo v = 0

Distance s = 10 cm = 0.1 m

v² - u² = 2as

0 - 400 = 1xa x 0.1

a = -400/0.1 = - 4000 m/s²

∴ Retardation caused by the target is -4000 m/s²