Physics, 20.04.2021 17:40 sdwhitneyhillis
A tractor is dragging a large box across the ground with constant speed as shown. Which free-body diagram shows the normal force N, weight force W, tension force T, and kinetic friction force fk on the box?
Answers: 3
Physics, 22.06.2019 11:20
More solar radiation is absorbed by earth’s surface than by
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Physics, 22.06.2019 12:30
Write a full page that sumerizes thermodynamics it’s from the website visionlearnig
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Physics, 22.06.2019 16:40
The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?
Answers: 1
Physics, 22.06.2019 18:50
8.29 two streams containing pyridine and acetic acid at 25°c are mixed and fed into a heat exchanger. due to the heat-of-mixing effect, it is desired to reduce the temperature after mixing to 25°c using a stream of chilled ethylene glycol as indicated in the diagram. calculate the mass flow rate of ethylene glycol needed. the heat capacity of ethylene glycol at these conditions is approximately 2.8 kj/(kg k), and the enthalpy change of mixing (δmixh) is given below.
Answers: 3
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