Abouncy ball moves toward a wall at 10 m/s. ignore friction. what is its final velocity?

Distinguish between a transverse wave and a longitudinal wave.

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

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?