While a roofer is working on a roof that slants at 43.0 above the horizontal, he accidentally nudges his 93.0N toolbox, causing it to start sliding downward, starting from rest. Part AIf it starts 4.60m from the lower edge of the roof, how fast will the toolbox be moving just as it reaches the edge of the roof if the kinetic friction force on it is 21.0N ?
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Physics, 21.06.2019 21:30
Ahydroelectric plant takes energy from water and turns it into electrical energy. what are the transformations of energy in the water molecules that are used in the process of generating electricity this way?
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Physics, 22.06.2019 01:00
Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?
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Physics, 22.06.2019 04:10
Unpolarized light of intensity so passes through two sheets of polarizing material whose transmission axes make an angle of 60∘ with each other as shown in the figure. what is the intensity of the transmitted beam, st?
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Physics, 22.06.2019 10:30
What are two different ways you could find the value of a? explain these methods.
Answers: 2
While a roofer is working on a roof that slants at 43.0 above the horizontal, he accidentally nudges...
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