Which of the following is true about electric currents and magnets?
A.
An electric current can exert a force on a magnet, and a magnet can exert a force on an electric current.

B.
An electric current cannot exert a force on a magnet, and a magnet cannot exert a force on an electric current.

C.
An electric current cannot exert a force on a magnet, but a magnet can exert a force on an electric current.

D.
An electric current can exert a force on a magnet, but a magnet cannot exert a force on an electric current.

Acrow drops a 0.11kg clam onto a rocky beach from a height of 9.8m. what is the kinetic energy of the clam when it is 5.0m above the ground? what is its speed at that point?

A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?

Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix. b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds. c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer. d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.