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- Water leaks from a hole in a water tank which is a 17.9 meters below the surface of the water which is 7.31 meters deep. The velocity of the water just leaving the hole is a. 12 b. 140 c. 19 d. 350A piece of rock of mass 9.173 g in air, if it's submerged in water of density 1000 kg/m³, it's mass 7.261 g, then the density of the rock piece in (kg/m³) is: a. 3797 O b. 4797 O c. 5802 O d. 3801kg The tank below is filled with a fluid with density 857 If the outlet at the bottom of the tank has a diameter of 2.7 cm, determine the rate at which water is leaving at the moment shown. Give your answer in kg/s. h₁ =1.5 m, h₂ =3.8 m, and h3 =5.6 m. h₁ h3 m h₂
- Rin and Nadeshiko are using a butane tank to make hotpot. The pressure inside the tank is 46.5 atm. What force does the butane exert on the flat end of the cylindrical tank, a disk 7.62 cm in diameter? A. 0.846 N B. 0.212 N C. 8.58 x 10^4 N D. 2.15 x 10^4 NQ5A professor drops a water bottle whose lid is closed from certain a certain height. The water bottle has a hole in it and water is leaking. What happens when the bottle is dropped? Explain in a short paragraph (five sentences) why the water stops leaking. Use diagrams and figures as necessary.
- A circular air duct 15.0 cm in radius is used to replenish the air of a room that is 9.20 m by 5.00 m by 4.50 m every 15.0 minutes. How fast does the air flow in the duct? Please show the explanation and equations used.9.8m V2 = 2 (250 m) v2 = 70 m/s What I Can Do 2 Solve the problems below. 1. A dam hclds back the water in a lake. If the dam has a small hole, 1.4 meters below the surface of the lake, then at what speed does water exit the Eole? 2. A small circular hole 5.00 mm in diameter is cut in the side of a large water tank, 11.0 m below the water level ir. the tank. The water tank is sealed and contains air above the water at a gauge pressure of 2.00 atm. a What is he speed of efflux of the water coming out of the hole? b. What is he volume discharged per second? 2021/3/20 21:08A cup is a cylinder with a diameter of 9.87cm and is 30cm tall. The hole is 1.44 from the bottom of the cup and has a diameter of 0.254cm. The cup sits at the edge of a 0.912m tall table. A.) Find the velocity of the water leaving the hole when the cup is full. B.) How far away from the table does the water hit the floor?
- A 10 kg ball weighs 98 N in air and weighs 75 N when submerged in water. Determine the ball's apparent mass. O a. 4.9kg O b. 7.5kg O c. 9.8kg O d. 8.9kg Ое. 5.7kgA hippopotamus is napping under water with only the end of its snoot above the surface. It has a mass of 1100 kg and a volume of 1.0 m3. How much force in Newtons does the hippo exert on the ground? (fresh water, density 1g/cm3)? A. 10 N B. 100 N C. 1,000 N D. 1,100 N E. 10,000 N9. A dairy farmer notices that a circular water tank near the barn has become rusty and now has a hole near the base. The hole is 0.30 m below the level of the water that is in the tank. If the top of the tank is open to the atmosphere, what is the speed of the water as it leaves the hole? a. 1.7 m/s b. 3.0 m/s c. 2.4 m/s d. 2.8 m/s e. None of the above