In the high jump, the kinetic energy of an athlete is transformed into gravitational potential energy without the aid of a pole. with what minimum speed must the athlete leave the ground in order to lift his center of mass 2.24 m and cross the bar with a speed of 0.710 m/s?

How much force must a locomotive exert on a 12840-kg boxcar to make it accelerate forward at 0.490 m/s2?

Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?