What is the momentum of a 75-kilogram ice skater gliding across the ice at a speed of 13 m/s? kg-m/s

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

The total amount of energy contained in an object

What equation is used to calculate the weight of an object on a plant ?