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When a man inhales, air moves down the bronchus-wind pipe at 15 cm/s. The average flow speed of the air doubles from a constriction in the bronchus. Suppose incompressible flow, and the change in height is small (h = 0) Evaluate the pressure drop in the constriction.
A particular satellite was placed in a circular orbit about 158 mi above Earth. (a) Determine the orbital speed of the satellite. m/s (b) Determine the time required for one complete revolution.
question a mass attached to a spring undergoes simple harmonic motion with an amplitude of 4.0 cm. when the mass is 2.0
Calculate the thermal de Broglie wavelengths for helium-4 (boson) and helium-3 (fermion) gases at T = 5K
The image produced by a concave mirror is located 37 cm infront of the mirror. The focal length of the mirror is 14 cm. How far in front of the mirror is the object located
Determine the least value of n for which there is total internal reflection on the vertical surface.
A solid disk of radius R and mass 2.66 kg is spinning atangular velocity 64.7 rpm about a vertical axis. What is the mass of the second disk
A thin metallic spherical shell of radius 41.6 cm has a total charge of 8.05 ?C uniformly distributed on it. At the center of the shell is placed a point charge of 2.83 C. What is the electric field at a distance of 23.9 cm from the center of the ..
A playground merry-go-round has a disk-shaped platform that rotateswith negligible friction about a vertical axis. The disk has a massof 200 kg and a radius of 1.9 m. A 34- kg child rides at the centerof the merry-go-round while a playmate sets it..
Assume the ball leaves Sarah's hand a distance 1.5 meters above the ground, reaches a maximum height of 15.0 m above the ground, and takes 2.692 s to get directly over Julie's head. What is the speed of the ball when it leaves Sarah's hand? m/s 6)..
what is the ratio of the amplitude of the damped oscillations. You shoot a 58-g pebble straight up with a catapult whose spring constant is 310 N/m. The catapult is initially stretched by 0.20 m. How high above the starting point does the pebble f..
A woman stands on a bathroom scale in a motionless elevator. When the elevator begins to move, Find the direction of the acceleration
place the metals in order of least to greatest weight for a 10cm long structural part which must be able to support a
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