Physics, 12.11.2020 20:10 makenziehook8
The diagram above shows a load that will be lifted using a lever. The distance from the tip of the fulcrum to the end of the board carrying the load is 5 m. The entire length of the board is 15 m. The end of the board where force will be applied is 3 m off the ground. How much work will be done if the load is raised as high as the lever can raise it, and the force used is 500 N? A. 497 N·m B. 1,500 N·m C. 167 N·m D. 3 N·m
Answers: 2
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Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.
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Physics, 22.06.2019 13:30, sukiyoshi10
Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length of a column of water 1.00 km high for a temperature increase of 1.00ºc. note that this calculation is only approximate because ocean warming is not uniform with depth. (answer in ×10^{-3} −3 m)
Answers: 1
The diagram above shows a load that will be lifted using a lever. The distance from the tip of the f...
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