Physics, 27.09.2019 02:10 bridgettebach
Awell-sealed room contains 60 kg of air at 200 kpa and 40°c. now solar energy enters the room at an average rate of 0.8 kj/s while a 120-w fan is turned on to circulate the air in the room. if heat transfer through the walls is negligible, the air temperature in the room in 30 min will be °c.
Answers: 2
Physics, 21.06.2019 15:00
The variables for this experiment include mass, volume and the materials in the various balls, as well as their densities. in part iii, you will be investigating the questionable baseball. use the drop-down menus to complete the sentences and identify the independent and dependent variables. in part iii, the independent variable, the one that is intentionally manipulated, is . in part iii, the dependent variable, the one that you measure the response in, is
Answers: 1
Physics, 22.06.2019 14:00
Estimate the change in the gibbs energy and molar gibbs energy of 1.0dm3 of octane when the pressure acting on it is increased from 1.0 atm to 100 atm. the mass density of octane is 0.703 g cm−3
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A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?
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Physics, 22.06.2019 15:20
A20 cm long spring is attached to a wall. the spring stretches to a length of 22 cm when you pull on it with a force of 100 n. what is the spring constant
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Awell-sealed room contains 60 kg of air at 200 kpa and 40°c. now solar energy enters the room at an...
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