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Heat from the sun reaches earth to a. radiation b. convection c. conduction
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The drag force, fd, imposed by the surrounding air on a vehicle moving with velocity v is given by fd = cdaρv 2/2 where cd is a constant called the drag coefficient, a is the projected frontal area of the vehicle, and ρ is the air density. an automobile is moving at v = 80 kilometers per hour with cd = 0.28, a = 2.3 m2, and ρ = 1.2 kg/m3.
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How does the motion of an airplane compare to the motion of a rocket ?
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The international space station is traveling in a circular path around earth. which of the following is constantly changing? a.) mass b.) weight c.) velocity d.) speed
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What happens to energy and matter when a wave moves through space?...
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