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What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?
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Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy
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Sound is a disturbance that travels through a medium as a
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At what temperature do the centigrade and the fahrenheit thermometer record the equal temperature...