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Dry air, flowing at a velocity of 1.5 m/s, enters a 6-mlong, 0.15-m-diameter tube at 310 K and 1:013 × 105 Pa. The inner surface of the tube is lined with a felt material (diameter-to rough ness ratio, D/e, of 10,000) that is continuously saturated with water at 290 K.
Assuming constant temperature of the air and the pipe wall, determine the rate at which water must be added to keep the felt continuously saturated.
It is important to realize that the bulk composition of the gas stream will be continuously increasing with the length.
How does the magnitude of electric force compare between a pair of charged particles when they are brought to half their original distance of separation? To one-quarter their original distance? To 4 times their original distance? (What law guides you..
A parallel-plate capacitor C is charged up to a potential V with a charge of magnitude Q on each plate. What is the potential difference across the plates in terms of V
A rocket with a mass of 2.7 × 106 kilogram has a relativistic kinetic energy of 2.7 × 1023 Joule. Determine how fast is the rocket moving
Outline what you know about Plasmonics? Outline what you know about Raman spectroscopy and surface enhanced Raman spectroscopy?
A person wears a hearing aid that uniformly increases the sound level of all audible frequencies of sound by 35.7 dB. What is the intensity delivered to the eardrum
A spark plug in an automobile engine consists of two metal conductors that are separated by a distance of 1.1 mm, What is the magnitude of the potential difference V between the conductors
Skip text editor options A parallel plate capacitor has an area A=10 m2 and a separation of 1Ã-10-4m. How much charge is stored on the capacitor
A 20.0- projectile is fired at an angle of 60.0 above the horizontal with a speed of 80.0 . At the highest point of its trajectory, the projectile explodes into two fragments with equal mass, one of which falls vertically with zero initial speed.
One end of a rope is tied to a block of mass 3.10kg and you pull straight up on the other end of the rope to lift the block up off the ground with an acceleration of 3.80m/s^2
Under certain conditions, the human body can withstand an acceleration of 10 g's. What is the net force (in Newtons) acting on a person
A 2.0 uF capacitor is first charged by being connected across a 6.0 V battery. Find the charge on each of the capacitors
Two small balls, each of mass 14g, are each charged with +9.0 nC. What distance apart must they be if the force on one of them has the same magnitude as the weight of that ball?
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