For a given value of net force, which of the following would increase acceleration for a system? a. increase the mass b. decrease the mass c. increase both force and mass proportionally d. decrease both force and mass proportionally

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

Who was the first scientist to measure speed as distance over time?

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?