A car is moving down the street at 35 miles per hour. A child suddenly runs into the street. If it takes the driver .75 seconds to react and apply the brakes, how many feet down the road will the car have moved before it starts to slow down?

The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.