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When a person inhales, air moves down the bronchus (windpipe) at 14cm/s. The average flow speed of the air doubles through a constriction in the bronchus. Assuming incompressible flow, determine the pressure drop in the constriction.
On a cool morning, when the temperature is 11 ^circC, you measure the pressure in your car tires to be 30.0 psi. After driving 20 mi on the freeway, the temperature of your tires is 53 ^circC.
the sound from a church organ revertebrates for many seconds after the organ stops producing sound due to reflections
A 0.20-kg billiard ball travelling at a speed of 15.00 m/s strikes the side rail of a pool table at an angle of 60 degrees. If the side rail rebounds at the equal speed and angle what is the change in its momentum?
Monochromatic light from a distant source is incident on a slit 0.750 mm wide. Calculate the wavelength of the light
A pair of slits, separated by 0.160 mm, is illuminated by light having a wavelength of ? = 566 nm. An interference pattern is observed on a screen 150 cm from the slits. Consider a point on the screen located at y = 1.90 cm from the central maxim..
A basketball (m = 0.60 kg) is dropped from rest. Just before striking the floor, At what height was the basketball dropped
On a hot summer afternoon, Keith is out fishing in a rowboat when he decides to jump into the water and go for a swim, what is its velocity in the opposite direction after he jumps
Wavelengths of light from a remote galaxy are found to be 1.5 % longer than the corresponding wavelengths measured here on earth. What is the speed of the galaxy relative to earth
Use the following data to calculate the speed vp of comet Halley at perihelion. Calculate of the speed va of comet Halley at aphelion
A large gate weighing 225 N is supported by hinges at the top and bottom of the wooden frame, and is further supported by a wire. (Assume the positive x-direction is to the right and the y-direction is upward.)
A star of radius 9.1 × 10^5 km rotates about its axis with a period of 49 days. Estimate the period of the neutron star
One of the most efficient engines ever built is a coal-fired steamturbine in the Ohio valley, driving an electric generator as itoperates between 1870°C and 430°C. What is its maximum theoretical efficiency
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