Why are dams so designed and constructed to have more massive base structures than tops?
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Q: Part of a water circuit is shown below. The indicated numbers are volume flow rates in cm^3/s. In…
A: Given data: Incoming volume flow rates 3 cm3/s, 5 cm3/s, 6 cm3/s and 4 cm3/s Outgoing volume flow…
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Q: An airplane wing is designed so that the speed of the air across the top of the wing is 251 m/s when…
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Q: What are the limitations of the energy that can be obtained from the ocean?
A: The different forms of energy that can be obtained from the ocean are tidal energy, wave energy and…
Q: barge floats in the Atlantic Ocean (salt water with a density of 1025 kg/m3). If the barge is a box…
A: Given salt water density = 1025 kg/m3 If the barge is a box 11.2 m wide by 18.1 m long by 3.84 m…
Q: Because they are insoluble, - can have a significant adverse effect on fluidity molten metal laminar…
A: First of all we have to understand the meaning of te fluidity , 1. Fluidity the ability of a…
Q: The speed of the river flow is affected by the slope and the volume of water TRUE OR FALSE
A: Answer:- True The speed of the river flow is affected by the slope and the volume of water is…
Q: A solid, square pinewood raft measures 4.8 m on a side and is 2.70 m thick. What is the total mass…
A: Given,
Q: You drill a small hole of area 0.0166 m2 near ground level on the side of a 19.8 m high, very large…
A: We know that velocity of the water coming out of the small hole is given by v=2*g*hhere h…
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Q: The force of the atmosphere at sea level against the outside of a 10-m2 store window is about a…
A: The air inside the store is also exerting a million Newton of force on the inside of the window.…
Q: Water at 65°F and 20 psia is heated in a chamber by mixing it with saturated water vapor at 20 psia.…
A: Given,
Q: A hydro station of 3 MW generate 358 Mwh for one week. If the water discharge at one week is 542000…
A: Concept used: Efficiency is given by ratio of output power to input shaft power.
Q: What is the weight of a cubic meter of cork? Could you lift it?(For the density of cork, use…
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Q: Calculate the density of the person who floats in fresh water with 5% of her volume above the…
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Q: Something that you’ve all observed: When you turn the water on in your kitchen and slow it down so…
A: Write the equation for the Reynold's number. Re = VD/v Here, V is the velocity of the fluid, D is…
Q: What common liquid covers more than two-thirds of our planet, makes up 60% of our bodies, and…
A: Water is the liquid that covers more than two-thirds of Earth. Water makes up 60% of human bodies.
Q: A stream moving with a speed of 1.2 m/s reaches a point where the cross-sectional area of the stream…
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Q: a rope ladder is hanging from the side of a boat each rung is one foot apart, and 5 rungs are…
A: Given information: The rape ladder has 5 rugs. Each rug is 1 feet apart. Let us draw the given…
Q: A metal bowl with a weight of 1.20 N is placed in a large and content filled with castor oil. How…
A: Buoyant force is equal to weight of volume of the liquid displaced.
Q: A website stated that the average body density is 0.001kg/cm3. Is this the same as 62 lbs/ft3?
A:
Q: A simplified model of how an airplane flies relies on a difference in air pressure between the top…
A: M= 44400kg A= 81m2
Q: A barge floats in the Atlantic Ocean (salt water with a density of 1025 kg/m3). If the barge is a…
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Q: À body falling from a vertical height of 10 m pierced through a distance of 1 m in sand. It faced an…
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Q: Rank the pressures from highest to lowest: (a) bottom of a 20-cmcm-tall container of salt water, (b)…
A: To rank the pressures from highest to lowest: (a) bottom of a 20 cm-tall container of salt water,…
Q: The siphon is an old technology used to transport water from _________ locations, and is commonly…
A: Concept used: Siphon is technology used to carry water from one reservoir to another. The liquid is…
Q: A barge floats in the Atlantic Ocean (salt water with a density of 1025 kg/m³). If the barge is a…
A: Density of salt water = 1025 kg/m3 dimensions of barge = 10.4 m × 17 m × 3.67 m Mass of barge =…
Q: Will the ship ride higher in a ocean or lake ? Why? 5) Petroleum geologist and engineers often flood…
A: As we know in the presence of dissolved salts, density of liquid increases. Ocean water has high…
Q: Determine the minimum area of a sheet of ice that is 0.60 meter thick if it is to support a 300-kg…
A: Write the given values with suitable variables. t=0.6 mm=300 kgρi=920 kg/m3ρw=1020 kg/m3 Here, t, m,…
Q: Why are you more easily able to sink to the bottom of the swimming pool when you expel as much air…
A: When you inhale air into your lungs, you are able to float because air is lighter than water.
Q: It takes 4.0 hrs for a farmer to irrigate a field using a 3.0 inch diameter pipe. How long will it…
A: Solution: Let’s assume that the speed of water in both the conditions are same. Also, since the…
Q: What is the maximum width of the gorge in meters so the agent clears it
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Q: Why can gases be compressed so much more readily than solids or liquids?
A: The intermolecular spacing is the gap between the two molecules of the matter. By this physical…
Q: Sound power 4TC x 103 W head 5odB, Find distance
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Q: How does water pressure 1 m below the surface of a small pond compare with water pressure 1 m below…
A: The pressure (P) at depth h is given as, Here, ρ is the water’s density and g is the gravitational…
Q: Why is a soft, underinflated football at sea level much firmer when it is taken to a high elevation…
A: The atmospheric pressure at high altitude is low as compared to the sea level. Thus, the relative…
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