A bicycle and rider have a total mass of 80kg. This table lists the kinetic energy of the bicycle and the rider at different speeds. Describe the relationship between the speed and the kinetic energy of the bicycle and the rider?

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

Critical mass is the of material required to produce a chain reaction. a.) minimum amount b.) atomic mass c.) precise amount d.) maximum amount

What is the coefficient of kinetic friction μk between the block and the tabletop?