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A water pipe at the top of a hill has a cross sectional area of 0.052 m2 and carries a flow rate of 0.75 m3/s. The pressure in this pipe is 1.8 x 105 N/m2. The pipe goes down a 20 m hill where the diameter is reduced to 0.030 m2.
A. What is the velocity of the water in the large pipe at the top of the hill?
B. What is the velocity of the water in the small pipe at the bottom?
C. What is the pressure in the small pipe at the bottom?
Use Pascal's principle. Given that Fout is 61 lb., the areas of the output and input cylinders are Aout 24 in2 and Ain 5 in2, what is the input force
A student wishes to determine the coeffiecient of static between a block of material and a wooden board. determine the coefficient of kinetic friction
A 35.0-kg child swings in a swing supported by two chains, each 2.92 m long. The tension in each chain at the lowest point is 430 N. Find the child's speed at the lowest point
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People who suffer from cataracts may have the lenses in their eyes replaced by artificial lenses. what is the refractive power of the glasses she will need to see the object clearly
A 226.0 kg block of ice at 0o C is placed in a large lake. The temperature of the lake is just slightly higher than 0o C, What is the entropy change of the ice
A hiker starts at his camp and moves the following distances while exploring his surroundings: 55.0 m north, 2.75x10^2 m east, Find his resultant displacement from camp
A block of mass 200g, sliding with a speed of 12 cm/sec on a smooth level surface, makes a head-on, elastic collision with a block of unknown mass, Determine the mass of the second block
An eye has trouble seeing an object closer than 60 cm but needs to see objects at 25 cm from it. find the focal length of a correctly prescribed contact lens
A 3.5 m long horizontal rod has two forces applied to it. One on the far left corner with a force of 4N at 60 degrees downward, find the magnitude and direction of the force in the pin
a concave mirror has a focal length of 15.0 cm. An object is placed 18.5 cm in front of the mirror. How tall is the object placed in front of the mirror
q. an ideal spring with a stiffness of 379nm is attached to a wall and its other end is attached to a block that has a
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