Would you be doing more work by going up the stairs twice as fast?

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

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg

What sort of waves exhibit the doppler effect?