A 1200 kg car is at rest at the top of a 15 m hill. Then the car rolls to the bottom of the hill and is moving at 10 m/s. How much energy was lost due to friction?

carla slowed down in the beginning of her trip, stopped, and then sped up

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.