Physics, 25.11.2019 19:31 noahmccall647
Imagine that you're loading a pickup truck with bags of groceries. you notice that the smaller the weight you attempt to lift, the quicker you can lift it. however, you also notice that there is a limit to how quickly you can lift even very small weights, and that above a certain weight, you can no longer lift the weight at all. the detailed relationship between the contraction velocity of a muscle (the speed with which you can lift something) and the weight you are attempting to lift, is known as hill’s law.
based on this description, which of the following graphs of velocity vs. force is a possible representation of hill's law?
a. a
b. b
c. c
d. d
e. e
Answers: 1
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The space between two 15-in.-long concentric cylinders is filled with glycerin (viscosity = 8.5 × 10-3 lb·s/ft2). the inner cylinder has a radius of 1 in. and the gap width between cylinders is 0.1 in. determine (a) the torque and (b) the power required to rotate the inner cylinder at 180 rev/min. the outer cylinder is fixed. assume the velocity distribution in the gap to be linear.
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Imagine that you're loading a pickup truck with bags of groceries. you notice that the smaller the w...
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