Question

a car moving on a straight road with a speed of 20m/s. at t=0 the driver of the car applies the breaks after watching an obstacle 150m ahead. after application of breaks, the car retards with 2m/s^2. find the position of the car from the obstacle at t=15s.
d = 20(15) -(1/2)(2)(15^2)
= 300 - 225 = 75 m
150 - 75 = 75
Post it.

Related Questions

A 1100 kg car is moving toward the north along a straight road at a speed of 20.0 m/s. The driver ap... A car is being driven along a country road on a dark and rainy night at a speed of 20 m/s. The secti... A car is moving at a constant speed on a straight road. Suddenly, the driver slams on the brakes. Ac...