What characterizes an elastic collision, but not an inelastic collision, in a closed system?

A. Momentum is conserved

B. Total energy is conserved

C. Kinetic energy is conserved

D. No external net force acts

I think it is B.

In an experiment to illustrate the propagation of sound through fluids, identical sound sources emitting at 440 Hz are used to propagate sound waves through mercury and through ethanol.

Suppose that you are riding a bike away from your dog who sits and watches you leave. If you use the bicycle as a reference frame, how does your dog appear to move?

A spring has a force constant of 310.0 N/m. (a) Determine the potential energy stored in the spring when the spring is stretched 4.11 cm from equilibrium. J (b) Determine the potential energy stored in the spring when the spring is stretched 3.

A child sits at the top of a slide at a playground. He wiggles forward slightly, and then slide all the way down with no further effort. Explain the source of the force acting on the child, and how you would calculate the work being done.

Properties of matter are typically broken into two categories: physical and?

What is the middle layer of earth called

If 10 calories of energy are added to 2 grams of ice at - 30° C, calculate the final temperature of the ice. (Notice that the specific heat of ice is different from that of water.) T. F = -20° C -30° C 30° C 40° C

Are microwaves and radio waves faster or slower than other types of electromagnetic energy?

Write 5 sentences on the importance of including vegetables in your diet.

Some lactic acid in the muscles dissipates during.