Once he reach the bottom of the hill he slides across the ground horizontal. it takes him 20 seconds to slow down from his speed at the bottom of the hill to stop what is his acceleration when he sliding horizontally?

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

Is the time in tennessee the same as florida