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Physics, 22.06.2019 04:00
Simple machines can a. increase force only b. decrease force only c. increase or decrease force
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Physics, 22.06.2019 14:10
Match these items. 1. coulombs __force 2. ohms __emf 3. centimeters __resistance 4. newtons __charge 5. volts __length
Answers: 1
Physics, 22.06.2019 23:00
Awelder using a tank of volume 7.50Ă10^-2 m^3 fills it with oxygen (with a molar mass of 32.0 g/mol ) at a gauge pressure of 3.30Ă10^5 pa and temperature of 37.1 âc. the tank has a small leak, and in time some of the oxygen leaks out. on a day when the temperature is 23.1 âc, the gauge pressure of the oxygen in the tank is 2.00Ă10^5 pa . a) find the initial mass of oxygen. b) find the mass of oxygen that has leaked out.
Answers: 3
since gravity is a conservative force, the work done against gravity can be replaced by gravitationa...
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