Physics, 28.10.2019 20:31 nscarlisleh13
Abox is being pushed from the left with a force of 5 n. no force is being applied from the right.
question:
describe the motion of the box in terms of directions and speed.
Answers: 3
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Air is to be preheated by hot exhaust gases in a cross-flow heat exchanger before it enters the furnace. air enters the heat exchanger at 95 kpa and 20°c at a rate of 0.6 m^3/s. the combustion gases (cp = 1.10 kj/kg°c) enter at 160°c at a rate of 0.95 kg/s and leave at 95°c. determine the rate of heat transfer to the air and its outlet temperature.
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Talia is manufacturing rolls of wire for hanging pictures. she needs a material that is so that it can easily be pulled into wire without breaking.
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Abox is being pushed from the left with a force of 5 n. no force is being applied from the right.
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