Question

plz answer briefly...​

Answer 1

Answer:

Retardation=2m/s² and retarding force= 4800 N

Explanation:

Given Mass of car, m= 2400 kg

Velocity v = 20 m/s

time, t = 10 s

Retardation, a= dv/dt = (v-0)/(t-0) = 20/10 = 2 m/s²

retarding force, F =ma = 2400× 2 = 4800 N

this is the required answer.

Answer 2

This is your answer in the pic