How did the cathode ray experiment work.

i believe the answer would be:

d. violin, clarinet, french horn, and tuba

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

-reverse card

there are no contact forces mentioned on the list of choices that you've provided.