Question

Problem
-
3.12
:
A
car
is
moving
with
a
velocity
of
20 m/s. The driver sees a stationary truck ahead at a
distance of 100 m. After some reaction time At the brakes
are applied producing a retardation of 4 mls?. What is
the maximum reaction time to avoid collision ?​

Answer 1

Answer:

first you type your question in series