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What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?
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Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.
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Match the words or actions and their definition. 1. the rate of doing work 2. a machine that changes motion 3. the force that is used to generate electricity 4. 550 foot-pounds per second 5. the force that makes things fall toward the earth 6. work in > work out 7. metric measurement of work 8. the product of force times distance water falling from a dam newton-meter gravity work windmill power the work principle 1 horsepower
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How do you get that's what brought me...
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