Kassidy is driving her 1,000 kg car at 15 m/s when she sees traffic ahead and brakes to slow down to 3 m/s. What was the change in momentum for her car?

What was the impulse exerted on her car?
​

Iwould think it is temperature, silica, oxides (gases)

Current supplied to consumers from generating plants like coal power plant, nuclear power plant, geothermal and others are in form of alternating current instead of direct current because it can be transported easily in a long distance. also, the alternating current has a wide range of frequency and the amount or energy can be increased or decreased.