Physics, 09.02.2022 15:30 mccartney33
A piano string 0.78 m long is tightened to a tension of 1,459 N. The string's mass density is 48 g/m. What is the frequency of the string's fifth harmonic
Answers: 3
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In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
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You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.
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A piano string 0.78 m long is tightened to a tension of 1,459 N. The string's mass density is 48 g/m...
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