Question

A car of mass 800 kg is travelling with a velocity of 40m/s

Answer 1

Answer:

Explanation:

please complete your question ^_^

Answer 2

V²-u²=2as

0²-20²=2*a*8

-400=16a

a=400/16

a= -25 m/s or 25 m/s

f=ma

f=800*25

=20000N