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Absorbing sounds-
what kind of feature makes for a good sound absorbing material?
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The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage
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Arowboat passenger uses an oar to push the boat off the dock by exerting a force of 40n for 3.0s. what impulse acts on the boat.
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Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination. at the turning point, how far is the second student from the destination?
Answers: 3
Absorbing sounds-
what kind of feature makes for a good sound absorbing material?...
what kind of feature makes for a good sound absorbing material?...
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