You are sending waves down a spring. You send a small amplitude wave down the spring. Then you send a large amplitude wave. The large amplitude wave is...
A. slower than the low amplitude wave
B. the same speed as the low amplitude wave
C. faster than the low amplitude wave

If 21.2 kcals of energy is released by this reaction, how many kj does the reaction release? (1 cal 4.184 j)

During cooling, the kinetic energy of the molecules falls. why does this happen? a.the motion of the molecules increases. b. the motion of the molecules slows down. c.the van der waals forces between molecules decrease d. the forces of attraction between the molecules are overcome.

When solid surfaces slide over each other the kind of friction that occurs is called friction