If you push against a stationary brick wall for several minutes, you do no work
a. on the wall...
Physics, 31.08.2019 14:50 yasmin7813
If you push against a stationary brick wall for several minutes, you do no work
a. on the wall.
b. at all.
c. both of the above.
d. none of the above.
Answers: 1
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Acar moves a distance of 50.0 km west, followed by a distance of 64.9 km north what was the magnitude of the displacement of the car, in units of kilometers?
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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.
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