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Physics, 12.01.2020 21:31 elexiafloyd
Consider two bicycle riders, a and b. the two riders have equal masses mrider a = mrider b and their respective bicycles also have similar frames, mframe a = mframe b . finally, the wheels of the two bicycles have equal masses mwheel a = mwheel b and equal radii r wheel a = r wheel b but different mass distributions: the wheels of bike a have most of their masses at the rims, wheel a, while the wheels of bike b have their masses ‘spread’ evenly over the whole wheel area, wheel b. the two cyclists travel at the same speed on level ground. they approach a low hill and decide to coast up instead of hard pedalling. at the top of the hill, which of the two bikes will have a larger speed? assume no friction nor air resistance, and all the wheels roll on the ground without slipping.
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Physics, 23.06.2019 00:30, maloynegen7681
Madison lives near the ocean. she’s formed a hypothesis that increased concentrations of salt in the air speeds the corrosion of certain metals. if madison plans to test this hypothesis, she will have to deal with the following variables in her experiment: dependent variable: independent variable: one possible confounding variable:
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Consider two bicycle riders, a and b. the two riders have equal masses mrider a = mrider b and their...
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