Physics, 15.10.2019 06:30 vladisking888
Ablock of mass 3 kg slides down an inclined plane inclined at 30° with respect to horizontal. the frictional force between the block and the plane is 8.7 n and the length of the plane is 1 m. what is the work done by the net force when the block reaches the bottom of the plane?
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Awelder using a tank of volume 7.50×10^-2 m^3 fills it with oxygen (with a molar mass of 32.0 g/mol ) at a gauge pressure of 3.30×10^5 pa and temperature of 37.1 ∘c. the tank has a small leak, and in time some of the oxygen leaks out. on a day when the temperature is 23.1 ∘c, the gauge pressure of the oxygen in the tank is 2.00×10^5 pa . a) find the initial mass of oxygen. b) find the mass of oxygen that has leaked out.
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Ablock of mass 3 kg slides down an inclined plane inclined at 30° with respect to horizontal. the fr...
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