These are my last points 69 POINTS just say hello for 69 points thats all free points. :)

Which quantities are scalars? choose all that apply a. distance b. speed c. acceleration d. velocity

Iwill give brainliest if you answer right : )

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