Describe the relationships among temperature, heat, and thermal energy?

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec

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

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?