Question

5.
If a car travelling at 20m/s is to be brought to rest in a distance of 200m. Find the
deceleration.
1) lm/s?
2)-2m/s
3) 4m/s
4) -4m/s²​

Answer 1

Answer:

2as=v^2-u^2

2×a×200= -u^2= -400

a = -1m/s^×