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Water is moving at a speed of 7.55 m/s through a fire hose with an internal diameter of 5.99 cm. When the water exits through a nozzle it is traveling at a speed of 35.9 m/s.
A) What is the flow rate of water in the hose?
B) What is the diameter of the nozzle?
C) What is the gauge pressure of water in the hose?
a Hollow sphere of mass M=1000kg and radius R=25cm is rolling down of an incline plans making an angle with horizontal. calculate the angular acceleration of hollow sphere
Find the work function of the emitting surface and the wavelength of the second source. Determine the net work done on the piano.
In a carnival they often have a large r = 16 m, cylinder which people stand against the outer wall while it rotates with some velocity, What is the minimum velocity of the cylinder to make someone "stick" to the wall in m/s
A 12.0 g bullet is fired horizontally into a 106 g wooden block that is at first at rest on a frictionless horizontal surface and connected to a spring having spring constant 143 N/m.
Luke and Leia are twins, and Luke immediately leaves after birth on a spaceship traveling at 65% of the speed of light, How old is Luke when he returns
A bus travelling along the straight road at 100km/hr-1 and the bus conductor make at 6kmhr-1 on the floor of the bus in the same direction on the bus. Find the speed of the conductor relative to road and relative to the bus. If the bus conductor now ..
50-g of hot water at 65 degree C is poured into a cavity in a very large block of ice at 0 degrees C, What is the mass of the ice that melts
As shown in the figure, sunlight is coming straight down (negative z-direction) on a solar panel (of length L = 1.51 m and width W = 0.930 m) on the Mars rover Spirit.
A person exerts a horizontal force of F = 179N in the test apparatus shown in the drawing. (h = 0.33 m.) Determine the horizontal force M that his flexor muscle exerts on his forearm.
A 7.89-kg fish swimming 4.23 m/s swallows an absent-minded 5.16-kg fish swimming toward it at a velocity that brings both fish to a halt immediately after lunch
Determine the amount by which the star's thermal radiation increases the entropy of the universe each second. Assume that the star is a perfect blackbody, and that the average temperature of the rest of the universe is 2.73 K. Do not consider ther..
Suppose the player has a mass of 0.658 kg. How long might the player operate on the energy required to lift it through a height of 1.17 m.
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