Physics, 22.02.2021 15:40 sweetyus06
2. Брусок действует на опору с силой 200 Н, при этом он оказывает давление 4 кПа. Ка-кова площадь опоры бруска?
Answers: 2
Physics, 21.06.2019 21:40
This problem has been solved! see the answera non-uniform fire escape ladder is 6.0m long whenextended to the icy alley below. it is held at the top by africtionless pivot, and there is neglibible frictional force fromthe icy surface at the bottom. the ladder weighs 250n, and it'scenter of gravity is 2.0m along the ladder from the bottom. amother and child of total weight 750n are on the ladder 1.5m fromthe pivot. the ladder makes an angle θ with the horizontal.find the magnitude and direction ofa) the force exerted by the icy alley on the ladderb) the force exerted by the ladder on the pivotc) do your answers in part a and b depend on the angle?
Answers: 3
Physics, 21.06.2019 23:30
If 21.2 kcals of energy is released by this reaction, how many kj does the reaction release? (1 cal 4.184 j)
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Physics, 22.06.2019 03:40
Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.
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Physics, 22.06.2019 09:00
In the first law of thermodynamics, triangle e=q-w, what does q stand for
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2. Брусок действует на опору с силой 200 Н, при этом он оказывает давление 4 кПа. Ка-кова площадь оп...
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