A toaster has three 6 V bulbs hooked together. If the resistance is 2 Ω, what current is running through the toaster?

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?