Suppose you have a 32.5 m length of copper wire. If the wire is wrapped into a solenoid 0.240 m long and having a radius of 0.0463 m, how strong is the resulting magnetic field in its center when the current is 11.7 A

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?

How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.

When you hold a rectangular object, how does the area of the side that is resting on your hand affect the pressure and the force that the object exerts?