What two things do you need to know
in order to find out the force exerted
on an object?...
Physics, 11.03.2021 04:30 staceyh146
What two things do you need to know
in order to find out the force exerted
on an object?
Answers: 1
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Which of the following would not be taken into consideration when describing the quality of a sound
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Which accounts for an increase in the temperature of a gas that is kept a constant volume
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Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)
Answers: 1
Physics, 22.06.2019 21:40
Ahair dryer is basically a duct in which a few layers of electric resistors are placed. a small fan pulls the air in and forces it through the resistors where it is heated. air enters a 1200 w hair dryer at 100 kpa and 22°c and leaves at 47°c. the cross-sectional area of the hair dryer at the exit is 60 cm2. neglecting the power consumed by the fan and the heat losses through the walls of the hair dryer, determine (a) the volume flow rate of air at the inlet and (b) the velocity of the air at the exit.
Answers: 1
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