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Air flows from a reservoir ( ) 2 0 0 1 , 40 p MN m T C = = ° through a Laval nozzle with a throat diameter of 0.1 m and a maximum Mach number of 0.75.
Calculate the mass flow rate, nozzle diameter, velocity, pressure and temperature at the exit where M = 0.5.
Two bicyclists begin to travel clockwise on a circular path of diameter D = 150.00 m with the constant speeds vA = 11.00 m/s and vB = 8.00 m/s, What is the total distance travelled by the pigeon
A car travels at a constant speed around a circular track whose radius is 2.02 km. What is the magnitude of the centripetal acceleration of the car
The drive propeller of a ship starts from rest and accelerates at 2.44 x 10-3 rad/s2 for 2.43 x 103 s. Find the total angular displacement of the propeller
The rotation spectrum of the HCl molecule has been observed in the far infrared, around 50 ? 10-6 m. find the frequency of the photon associated with this transition
A spring scale on a rotating platform indicates that the horizontal force on a 0.606 kg mass is 1.57 N, How long does it take for the platform to make one revolution
A 160 kg horizontal beam is supported at each end. A 300 kg piano rests a quarter of the way from one end. What is the vertical force on each of the supports
Some air is flowing from a wider tube to narrower. There is a difference in height of the liquid in the two sides of the U-shaped tube. Why is there such a difference in height.
A Venturi meter measures fluid speed in a pipe. A constriction (of cross-sectional area A2) is put in a pipe of normal cross-sectional area A1 (A1 = 2A2). Find the ratio of the flow speeds
The threshold of hearing in air corresponds to a frequency of 1000 Hz and an intensity of about 9.5 x 10?13 W/m^2 When someone under water hears such sound, what is the corresponding maximum displacement
A flight attendant pulls her 63N flight bag a distance of 308m along a level airport floor at a constant velocity. The force she exerts is 45N at an angle of 57° above horizontal. Find the work she does on flight bag.
Two different balls are rolled (without slipping) toward a common finish line. Their angular speeds are shown to the right. how long does each ball take to reach the finish line
Metal sphere 1 has a positive charge of 8.00nC . Metal sphere 2, which is twice the diameter of sphere 1, What are the final charges on each sphere
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