Physics, 16.11.2019 06:31 sevanah5506
Ablock of mass m = 2.0 kg lies on a rough ramp that is inclined at an angle θ = 20oto the horizontal. a force f of magnitude 5.0 n is applied to the block in the horizontal direction (not parallel to the ramp).a) if this force is just large enough to start the block moving down the ramp, what is the coefficient of static friction μsbetween the block and the ramp? b) if the coefficient of kinetic friction between the block and the ramp has a value of 0.40, what is the magnitude of the acceleration of the block along the ramp as this force is applied to the block? c) what is the work done by this applied force if the block travels a distance of 2.0 m down (i. e., parallel to) the ramp?
Answers: 2
Physics, 22.06.2019 05:30
Utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must available hint(s)utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must pump water back into their cells to counter its loss due to osmosisactively pump water back out of their cells to counter its inflow due to osmosissynthesize membranes that are impermeable to substances that upset osmotic balanceactively pump salt back out of their cells to counter its inflow due to osmosis
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(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present
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Physics, 22.06.2019 16:30
Using gravity, an elephant can pull a mouse towards it from the ground. true or false explain why. will give brainliest if answered fast and the best explanation
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Ablock of mass m = 2.0 kg lies on a rough ramp that is inclined at an angle θ = 20oto the horizontal...
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