Question

15. A car is travelling at 72 kmh-1 and is 20 m
from a barrier when the driver puts on the
brakes. The car hits the barrier 2s later. What
is the magnitude of the constant deceleration?
a) 7.2 ms-2 b)10 ms-2 c) 36 ms-2 d)15 ms-2​

Answer 1

Answer:

car is travelling at 72 km h one and is 20 m a from a barrier when it reports on it's because it's too bad to second later will someone to a part is the answer

Explanation:

a part is the answer