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Four lawn sprinkler heads are fed by a 1.9 cm diameter pipe. The water comes out of the heads at an angle of 33° to the horizontal and covers a radius of 7.8m.
a) What is the velocity of the water coming out of each sprinkler head? (Assume zero air resistance.)
b) If the output diameter of each head is 3.0 mm, how many litters of water do the four heads deliver per second?
c) How fast is the water flowing inside the 1.9 cm diameter pipe?
a 5.00-a current run throug a 12-guege copper wire diameter 2.05 mm and through a light bulb. copper has 8.5x1028 free
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In state-of-the-art vacuum systems, pressures as low as 1.00 10-9 Pa are being attained. Calculate the number of molecules in a 1.80-m3 vessel
On a particular afternoon in Houston, the nitrogen (N2) molecules in the air have an rms speed of 511 m/s. What is the rms speed of the carbon dioxide (CO2) molecules
a what must the charge sign and magnitude of a particle of mass 1.42g be for it to remain stationary when placed in a
A solid uniform sphere and a uniform spherical shell, both having the same mass and radius, How fast is each sphere moving when it reaches the bottom of the hill
You are the technical consultant for an action-adventure film in which a stunt calls for the hero to drop off a 23.7-m tall building and land on the ground safely at a final vertical speed of 3.85 m/s. How many revolutions does the drum make during..
Given a uniform ring of charge, with charge q=+30E-6 C and radius 0.2 m. Find the magnitude of linear charge density for the ring
A guitar string with a mass of 12 g is 80 cm long and attached to the guitar at two points separated by 65 cm. What is the frequency of its fundamental note when it is placed under a tension of 170 N? Answer A) 74 Hz B) 82 Hz C) 93 Hz D) 150 Hz E)..
How much work is done by an applied force that moves two charges of +5.0 µC that are initially very far apart to a distance of 4.6 cm apart?
An x-ray photon of wavelength 0.179 nm collides with an electron initially at rest. Calculate the Compton shift in wavelength
A long uniform rope with a mass of 0.113 kg per meter lies on theground. Calculate the upward force you must exert at the moment
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