Electromagnetic waves with a short wavelength occur at a (blank) frequency and are (blank) energetic.

A.

high; less

B.

high; more

C.

low; more

D.

low; less

If a star does not emit a significant amount of visible radiation, what could you conclude? a) It will not be able to be seen b) it is a black hole c) It is a very intense star d) It is not a very intense star

How does a object get charged

Which of the following particles are responsible for producing electrical energy?

What can make a stronger electric or magnetic field?

If one object has a positive charge and another has a negative charge, the object will be ... A. Cancel B. Attract C. Mix D. Repel

Object moving at a constant velocity will always have a

Who would most likely agree that a child learns certain behaviors from observing other people?

A bullet is fired horizontally from a height of 78.4 m and hits the ground 2400 m away. With what velocity does the bullet leave the gun?

Select the correct answer. Two charged objects, A and B, exert an electric force on each other. What happens if the distance between them is increased? O A. The charge on B decreases. OB. The charge on B increases. OC.

You are riding a bicycle home from school. You average 5 meters per second and you are headed south. What motion can you determine from this data? OA Acceleration OB Distance OC Speed OD Velocity