Physics, 02.11.2019 03:31 hannahkharel2
In one day, a 75-kg mountain climber ascends from the 1500-m level on a vertical cliff to the top at 2400 m. the next day, she descends from the top to the base of the cliff, which is at an elevation of 1350 m. what is her change in gravitational potential energy (a) on the first day and (b) on the second day
Answers: 2
Physics, 22.06.2019 23:00
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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Physics, 23.06.2019 07:30
Why would an orange roll of your cafeteria tray if you stopped suddenly
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Physics, 23.06.2019 08:30
The momentum of a man riding his bicycle downhill can be calculated. the bicycle and the man have a combined mass of 40 kg. the velocity of the bicycle is 10 m/s. calculate the momentum.
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In one day, a 75-kg mountain climber ascends from the 1500-m level on a vertical cliff to the top at...
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