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 16:40, masonsee4ytube
Aforce of 34.5 newtons is applied to an object at an angle of 45 º with the horizontal. what is the force acting on the object in the horizontal direction?
Answers: 2
Physics, 21.06.2019 23:20, marc2007
In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.
Answers: 1
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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