Which statement about a flat magnet that can stick onto a refrigerator is true? -It has no poles.
-It has only a north pole, where Santa lives.
-It has only south poles.
-It has two poles.

Which changes would result in a decrease in the gravitational force btween two objects? check all that apply

Which statement is true about an object that is moving in a circular motion due to centripetal force, f, when the radius of its circular motion is doubled? the new force then becomes equal to 2f the new force then becomes equal to f the new force then becomes equal to f/2 the new force then becomes equal to f2 the new force then becomes equal to 1/f

The receptor cells that convert light energy into neural signals are called