The sketch shows a reservoir that supplies water to a farm. It is made of wood and is reinforced with metal hoops. (a) Why is it elevated? (b) Why are the hoops closer together near the bottom part of the tank?

Q: A rectangular swimming pool is 20m long and 10m wide and full of water. The bottom of the pool…

A: In the  question, its given that  Length of the pool (l) = 20m Width of the pool (w) = 10m Density…

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A:

Q: In the figure, a spring of spring constant 2.20 x 104 N/m is between a rigid beam and the output…

A:

Q: In the figure, a spring of spring constant 2.30 x 104 N/m is between a rigid beam and the output…

A: Given : spring constant k=2.30 × 104 N/m Area of input : Ai Area of output : 13Ai Compression…

Q: A friend asks you how much pressure is in your car tires.  Unfortunately, you have misplaced your…

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Q: The water supply for a city is often provided from reservoirs built on high ground. Water flows from…

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Q: A sump pump (used to drain water from the basement of houses built below the water table) is…

A: Given: The rate of flowing of water is Q=0.750 L/s. The output pressure is P=3.00×105 N/m2. The…

Q: A sump pump (used to drain water from the basement of houses built below the water table) is…

A: (a). The diameter at the entering point of the hose is 3 cm so the radius will be R1 = 1.5 cm. and…

Q: The spring of the pressure gauge shown in the figure below has a force constant of 1 000 N/m, and…

A: The force needed to move the piston is,Substitute the values,

Q: To fight a fire on the fourth floor of a building, firefighters want to use a hose of diameter equal…

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Q: A 1 cm long section of a blood vessel has a constriction that reduces the inner diameter from 4 mm…

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Q: Pleaase don't provide handwritten solution ....

A: The solution is attached below.Explanation:

Q: What will be the surface tension of a liquid (ρ = 0.876 g / cm3) that reaches 2.0 cm in a capillary…

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Q: Although gas station owners lock their tanks at night, a gas station owner was the victim of theft…

A: Given that:Specific gravity=0.712Density of gasoline, ρ=0.712×1000=712 kg/m3

Q: Two identical cylindrical vessels with their bases at the same level each contain a liquid of…

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Q: A sump pump (used to drain water from the basement of houses buit below the water table) is draining…

A:

Q: A small crack occurs at the base of a 13.0m high dam. The effective area through which water leaves…

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Q: A friend asks you how much pressure is in your car tires.  Unfortunately, you have misplaced your…

A:

Q: A simple U-tube contains mercury. When 11.2 cm of water is poured into the right arm, how high does…

A: Given, Water poured at right arm h1 = 11.2 cm = 11.2 x 10-2 m

Q: three legged stool supports a 89-kg person. If each leg of the stool has a cross-sectional

A: Mass of three legged stool is M=4.5 kg Mass of the person is m=89 kg Diameter of cross-section of…

Q: A veterinarian uses a hypodermic syringe like the one shown in the figure to inject a horse with a…

A:

Q: In the calculation of pressures in fire hoses, it is often necessary to take into account the…

A: Given that Consider a horizontal hose of diameter equal to (d) =3.81 cm=0.0381m The length of the…

Q: Atherosclerosis is a cardiovascular disease that involves the accumulation of cholesterol in the…

A: Given data: Hydrostatic pressure at r=b is  p∘=135 mmHg=18 kPa The concentration of cholesterol is…

Q: A tank in the shape of an inverted cone has a height of 20 meters and a base radius of 11 meters and…

A: Simple problem from the chapter of work-energy. Please have a good look.

Q: On another planet that you are exploring, a large tank is open to the atmosphere and contains…

A: Cross-sectional area of a pipe is Slope of the graph of the volume flow rate squared as a function…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!