Help me Shown is a picture of two toy trains getting ready to collide. If the collision is non-elastic, what is the total momentum of

the train cars after the collision?

a

-10 kg·m/s

b

10 kg·m/s

c

70 kg·m/s

d

50 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

Choose all the answers that apply. our solar system: is in a spiral galaxy no longer includes pluto is made mostly of empty space is in the andromeda galaxy is the only known system that supports life

Which lists the organs in the correct order as food passes from the mouth to anus?