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Water flows through a Venturi meter with a pipe diameter of 9.0 cm and a constriction diameter of 5.6 cm. The U-tube manometer is partially filled with mercury. Find the flow rate of the water in the pipe of 9.0 cm diameter if the difference in the mercury level in the U-tube is 3.1 cm.
L/s
In each of the following cases, the mass is 32.0 kg and the radius is 7.50 cm. (a) What is the moment of inertia (kg m2) of a solid cylinder rotating about an axis parallel to the symmetry axis but passing through the edge of the cylinder? (b) What i..
The displacement of a wave traveling in the positive x-direction is D(x,t)=(3.5cm)sin(2.7x?122t), where xis in m and t is in s. What is the frequency of this wave
An airplane with a speed of 92.2 m/s is climbing upward at an angle of 37.7 ° with respect to the horizontal. determine the angle of the velocity vector of the package
A 300 lb bungee jumper wants to jump from the top of a 230 ft high bridge and be able to just touch the water below. what should the bungee cord's relaxed length, l, be for this jump
A current of 200 rnA flows in a silver wire of radius 0.8 mm. Find the electric field within the wire
A two-slit pattern is viewed on a screen 1.12 m from the slits. If the two third-order maxima are 43.5 cm apart, what is the total width of the central bright fringe
A bicyclist climbs a 2.0km long hill that makes an angle of 7.0° with the horizontal. The total weight of the bike and rider is 750N. How much work is done on the bike and rider by gravity?
A particle with a rest mass of M=135GeV/c^2 or 1.35x10^11 eV/c^2 decays into two particles (which emerge back-to-back). The speeds of the two particles are measured at v1=.9c and v2=.01c. What are the masses of the two particles?
A solenoid inductor has an emf of 0.90V when the current through it changes at the rate 10.0 A/s. How many turns does the inductor have
A 0.6-kg ball is fastened to a spring with a spring constant of 86 N/m and is oscillating horizontally with an amplitude of 0.2 m. What is the maximum potential energy
A source of radio waves is emitted from the center point of our galaxy 1.9 x 104 light years away. Nine picowatts of power from these waves blanket the surface of the Earth facing the center point.
A Cepheid variable in a nearby galaxy looks 106 times fainter than an identical Cepheid in the Milky Way. How far away is the nearby galaxy
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