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3. A spring that is originally 20 cm long is extended to a length of 25 cm when a 750g mass is hung on it.
What is the spring constant for this spring?
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Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.
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If frequency goes up, what happens to wavelength? does it get shorter or longer?
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3. A spring that is originally 20 cm long is extended to a length of 25 cm when a 750g mass is hung...
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