Question

Two cars A and B are approaching each other
head-on with speeds 20 m/s and 10 m/s
respectively. When their separation is X then A and
B start braking at 4 m/s2 and 2m/s2 respectively.
Minimum value of X to avoid collision is​

Answer 1

Answer:

75 m

Explanation:

firstly find the distance travelled by car  A and B after the breaks are applied

and then add them