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Physics, 21.06.2019 22:40, kiaunarayne808
The desk has a weight of 75 lb and a center of gravity at g. determine the initial acceleration of a desk when the man applies enough force f to overcome the static friction at a and b. also, find the vertical reactions on each of the two legs at a and at b. the coefficients of static and kinetic friction at a and b are ms = 0.5 and mk = 0.2, respectively
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Physics, 22.06.2019 02:30, JOEFRESH10
Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.
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Physics, 22.06.2019 05:40, laurelbrasi
The difference between a red shift and a blue shift has to do with wavelength frequency. t or f
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