What is true of a mechanical wave? @3.2. P. B5 @1

A)

It must travel in a vacuum

B)

It must have a medium.

C)

It must travel in empty space.

D)

Both sound and light are examples

The condenser a. Is a heat exchanger b. Is a device where air passing over it cools the refriger - ant and causes it to change into a high-temperature liquid c. Transfers heat from the refrigerant to the air flowing d. All of the above

5. How far has a cyclist traveled if she has been moving at 30 m/s for 5.0 minutes?

Students perform an experiment in which they drop two eggs with equal mass from a balcony. In the first trial, the egg hits the ground and breaks. In the second trial, the egg hits a foam cushion and does not break or bounce.

During the polarization of an object, what happens to the charges that the object carries? A Negative charges flow toward positive charges. B Positive and negative charges become separated. C Both negative and positive charges are produced.

How calculate the mass of an object given its acceleration and net force acting on it

Explain why the car reaches a top speed even though the thrust Force remains constant at 3500N

4. A helicopter is flying at a height of 1.5km. If it has 50MJ of G. P. E., what is the mass of the helicopter?

Unless otherwise posted, what is the speed limit in a school zone? florida

If you put in 10 J of work to push 1 c of charge against and electric field what will be its voltage with respect to its starting position? when released, what will be it's kinetic energy if it flies past it's starting position?

The process of changing the energy of a system by means of force. Force * Diatance