You are driving a car behind another car. both cars are moving at speed 80 km/h. take the reaction time of the driver in car 2 is 0.60 s. assume car 2 brakes are just a bit harder than car 1 brakes. what minimum distance behind the car in front should you drive so that you do not crash into the car's rear end if the driver of that car slams on the brakes?

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in

Juliette sets the initial velocity to +10 m/s, the acceleration to zero, and clicks “start.” how can shakina describe the subsequent motion of the car juliette controls?