Calculate the work done (in J) by a 90.0 kg man who pushes a crate 4.25 m up along a ramp that makes an angle of 20.0° with the horizontal (see below). He exerts a force of 535 N on the crate parallel to the ramp and moves at a constant speed. Be certain to include the work he does on the crate and on his body to get up the ramp.
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Physics, 22.06.2019 05:40
Unpolarized light of intensity i_0=750w/m^2 is incident upon two polarizers. after passing through both polarizers the intensity is i_2=280w/m^2. (a) what is the intensity of the light after it passes through the first polarizer in w/m^2? (b) write an equation for the angle between the polarizers in terms of the initial (i_0) and final (i_2) intensities. (c) find the angle between the polarizers in degrees.
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Physics, 22.06.2019 16:30
If anyone who can me with this hw? i would really appreciate it
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Physics, 23.06.2019 07:00
What property of a wave determines the pitch? what property of a wave determines the volume? describe your reasoning and include the ways the simulation and tone generator influenced your thinking.will mark brainiest if your answer does make sense to the question asked.
Answers: 1
Calculate the work done (in J) by a 90.0 kg man who pushes a crate 4.25 m up along a ramp that makes...
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