Motion at constant acceleration: a driver is traveling at 22 m/s (50 mph), notices a stopped car 100 m ahead and then slams on the brakes with a deceleration of 4.0 m/s2. what distance did they travel after they slammed on the brakes and came to a comlplete stop?

Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?

What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?

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