What holds a moon in its orbit?

A. the heat generated by the planet it orbits

B.

the gravitational pull of the star it orbits

C. its own internal magnetism

D. the gravitational pull of the planet it orbits

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