Physics, 29.10.2019 08:31 dramaqueenactr2040
Adog chases a skateboarder travelling at 10.4\,\dfrac{\text{m}}{\text{s}}10. 4 s m 10, point, 4, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction. the skateboarder speeds up with a constant acceleration for 39\,\text{m}39m39, start text, m, end text over 3.3\,\text{s}3.3s3, point, 3, start text, s, end text. we want to find the acceleration of the skateboarder over the 3.3\,\text{s}3.3s3, point, 3, start text, s, end text time interval. which kinematic formula would be most useful to solve for the target unknown?
Answers: 1
Physics, 21.06.2019 16:40
What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k
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Physics, 22.06.2019 13:10
Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above
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Physics, 22.06.2019 13:30
Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length of a column of water 1.00 km high for a temperature increase of 1.00ºc. note that this calculation is only approximate because ocean warming is not uniform with depth. (answer in ×10^{-3} −3 m)
Answers: 1
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.
Answers: 3
Adog chases a skateboarder travelling at 10.4\,\dfrac{\text{m}}{\text{s}}10. 4 s m 10, point, 4, st...
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