Physics, 08.07.2021 01:00 kaitlynhess
A 6.0 m long cantilevered border crossing gate is
balanced by a 2100 N counter weight suspended from
the thick end of the tapered beam. If the beam weighs
960 N, X = 85 cm, and y = 515 cm, how far from
end "A" (horizontally) is the beam's centre-of-mass
located2
Answers: 3
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The place you get your hair cut has two nearly parallel mirrors 6.00 m apart. as you sit in the chair, your head is 2.00 m from the nearer mirror. looking toward this mirror, you first see your face and then, farther away, the back of your head. (the mirrors need to be slightly nonparallel for you to be able to see the back of your head, but you can treat them as parallel in this problem.) how far away does the back of your head appear to be?
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8.29 two streams containing pyridine and acetic acid at 25°c are mixed and fed into a heat exchanger. due to the heat-of-mixing effect, it is desired to reduce the temperature after mixing to 25°c using a stream of chilled ethylene glycol as indicated in the diagram. calculate the mass flow rate of ethylene glycol needed. the heat capacity of ethylene glycol at these conditions is approximately 2.8 kj/(kg k), and the enthalpy change of mixing (δmixh) is given below.
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A 6.0 m long cantilevered border crossing gate is
balanced by a 2100 N counter weight suspended fro...
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