A water tower is filled with fresh water to a depth of 6.38 m. What is the water pressure at a depth of 3.96 m?

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  1. physics

    A large tank is filled with water to a depth of d = 18 m. A spout located h = 13 m above the bottom of the tank is then opened as shown in the drawing. With what speed will water emerge from the spout?

  2. Physics

    (a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 23.2 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is at a pressure of 101.3 kPa. Pa (b) What force is exerted by the water on the window of an

  3. science-plz help this is so urgent!

    8. a) after the oceans, where is the next largest reserve of water found? b) does this reserve contain salt water or fresh water? Fresh water lakes on the surface. Glaciers and icecaps account for a greater amount of water than lakes swamps and rivers if

  4. math

    a swimming pool is 60m long and 25m wide. It is filled with water to a depth of 7m. Find the volume of water in the pool.

  5. calculus

    1. A conical reservoir has a depth of 24 feet and a circular top of radius 12 feet. It is being filled so that the depth of water is increasing at a constant rate of 4 feet per hour. Determine the rate in cubic feet per hour at which water is entering the

  6. physic

    An in-ground swimming pool has the dimensions 20 m x 15 m. It is filled with water to a uniform depth of 3.00 m.What is the total force exerted on the bottom of the swimming pool?The density of water = 1.00 × 103 kg/m3.

  7. Environmental Science

    Many areas of the world that do not have adequate fresh water have become habitable because a.rainfall patterns have changed b.water management projects have diverted water to the areas c.icebergs have been towed in to provide fresh water d.people have

  8. Math

    While flying a pilot spots a water tower that is 4.8km away to the north. At the same time, she also sees a monument that is 5.6km away to the south. The tower and the monument are separated by a distance of 7 km along the flat ground. Find the angles at

  9. Thermodynamics

    A tank is filled with fresh water until there is a depth of 35 ft. Determine the pressure, psig, at the bottom of the tank.

  10. math please help!!

    The depth d of water in a tank oscillates sinusoidally once every 4 hours. If the smallest depth is 7.9 feet and the largest depth is 10.1 feet, find a possible formula for the depth in terms of time t in hours. (Let the water depth be at the average when

  11. physics

    In the figure below, the fresh water behind a reservoir dam has depth D = 13 m. A horizontal pipe 6.0 cm in diameter passes through the dam at depth d = 6.0 m. A plug secures the pipe opening. (a) Find the magnitude of the frictional force between plug and

  12. bctc

    A tank of water in the shape of an inverted cone is being filled with water at rate of 12m^3/min. the base radius of tank is 26 meters and the height of the tank is 8 meters. at what rate is the depth of the water in the tank changing when the rains os the

  13. Math

    If a hemispherical bowl of radius 6cm contains water to a depth of h cm, the volume of the water is 1/3πh^2(18-h). Water is poured into the bowl at a rate 4 cm^3/s . Find the rate at ehich the water level is rising when the depth is 2 cm.

  14. physics

    Here is a demonstration Pascal used to show the importance of a fluid's pressure on the fluid's depth : An oak barrel with a lid of area 0.25 m^2 is filled with water. Along, thin tube of cross-sectional area 5.5×10−5 m^2 is inserted into a hole at the

  15. science, density

    The density of sea water is slightly higher than that of fresh water. The higher density is due to the fact that sea water contains salts such as sodium chloride and magnesium chloride. Suppose you have a container that holds 5.00 kg of fresh water, which

  16. Calculus (Definite Integrals - Fluid Pressure)

    The ends of a water trough have the shape of the region bounded by the graphs of y = x2 and y = 4 with x and y both measured in feet. To what depth must the trough be filled with water so that the force exerted by the water on either end of the trough is

  17. calculus

    Question 1 The figure below shows the rate of change of the quantity of water in a water tower, in liters per day, during the month of April. If the tower had liters of water in it on April 1, estimate the quantity of water in the tower on April . Round

  18. Math

    The angle of depression from a water tower to a forest fire underneath the tower is 18°. If the height of the water tower is 60 meters, what is the horizontal distance on the ground between the water tower and the fire?

  19. Calculus

    Consider a hemispherical bowl with a radius of 12 cm. The bowl contains water to a depth of 9 cm. The density of the water at any point x cm below the surface of the water is given by 2e^(0.15x) g/cm^3. A. Find the volume of the water in the bowl. B. Find

  20. math

    The inside of a trough is shaped like a rectangular solid, 25 feet long, 6 inches wide, and filled with water to a depth of 35 inches. If we wish to raise the depth of the water to 38 inches, how much water must be let into the tank? a. 25/96 cubic foot b.

  21. Physics

    Three vessels have different shapes, but the area of their bottom surface is the same, and all three are filled with water with the same depth (1.|_| 2.\_/ 3./_\ ). Rank the magnitudes of the net forces exerted by the water on the bottom surface.

  22. Calculus

    Jesse has constructed a huge cylindrical can with a diameter of 60 ft. The can is being filled with water at a rate of 450 ft3/min. How fast is the depth of the water increasing? (Hint: The volume of water in the cylinder is determined by πr2h where r is

  23. Chemistry

    A swimming pool, 20.0 m 12.5 m, is filled with water to a depth of 3.73 m. If the initial temperature of the water is 18.5°C, how much heat must be added to the water to raise its temperature to 28.5°C? Assume that the density of water is 1.000 g/mL.

  24. Physics

    A water tank is filled to a depth of 10 m, and the bottom of the tank is 20 m above ground. A water-filled hose that is 2.0 cm in diameter extends from the bottom of the tank to the ground, but no water is flowing in this hose. The water pressure at ground

  25. physics

    a vertical dock gate is 5m wide and is hinged at 1m from the base of the dock. the dock has sea water with density of 1025 kg /m^3 to a depth of 7.5 on one side and fresh water to depth of 3m on the other side a) find the resultant horizontal force b)

  26. math

    a spherical fishtank has radius of 25 cm. The tank is filled with water with a depth of 20 cm. By using integral find the volume of the water inside the tank.

  27. Chemistry

    A swimming pool, 10.0 m by 4.0 m, is filled with water to a depth of 3.0 m at a temperature of 20.2°C. How much energy is required to raise the temperature of the water to 24.0°C?

  28. FST

    A tsunamiis a fast-moving ocean wave caused by an underwater earthquake. The water first goes down from its normal level, then rises an equal distance above its normal level, and finally returns to its normal level. The period is about 15 minutes. Suppose

  29. math

    A tank was 3/5 filled with water. After removing 120 litres of water from the tank it was 1/5 filled. a)Find the amount of water the tank can hold when completely filed. b)If one litre of water has a mass of 1 kg, find the mass of water in the tank when

  30. Physics

    A swimming pool has dimensions 26 m x 32 m and a flat bottom. When the pool is filled to a depth of 3 m with fresh water, what is the total force due to the water on the bottom?

  31. physics

    My answer doesn't make sense. I will show question then my work: A city holding tank for water sits 20 m above the city. If a house was on fire 15 m away from the base of the holding tank, and the tank was originally filled to a depth of 15 m, to what

  32. physics

    My answer doesn't make sense. I will show question then my work: A city holding tank for water sits 20 m above the city. If a house was on fire 15 m away from the base of the holding tank, and the tank was originally filled to a depth of 15 m, to what

  33. Chemistry

    A swimming pool 20.0m *12.5 is filled with water to a depth of 3.5m. if the initial temperature of water is 18.4C how much heat must be added to the water to raise its temperature to 29.0C? Assume that the density of water is 1.000g/mL

  34. Statics

    A gate rotates at point A and releases water when the water's depth, , exceeds a certain value. (Figure 1) The gate's width (perpendicular to the image) is = 3.00 , the water's depth is = 4.04 , and point A is located at = 2.02 . What is , the magnitude of

  35. PHYSICS (CHECK WORK)

    Can somebody please check my work. I got part a right, but my answer for part b is wrong. (a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 25.6 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is

  36. math

    A rectangular tank of 5 m long,4 m wide and 5 m high is filled with water to a depth 3 m. If a robot of volume 20 cubic metre is added to the tank, how much will the water level rise?

  37. Mathematics

    The water level in a lake rises and falls throughout the day. The average depth of the water at low tide is 4 metres, while the average depth at high tide is 8 metres. It takes 6 hours for the water level to rise from low tide to high tide. a) Determine a

  38. Maths

    The average depth of the water in a port on a tidal river is 4 m. At low tide, the depth of the water is 2 m. One cycle is completed approx every 12 h. a) find an equation of the depth d(t) metres, with respect to the average depth, as a function of the

  39. Trigonometric Functions

    The average depth of the water in a port on a tidal river is 4m. At low tide, the depth of the water is 2m. One cycle is completed approximately every 12h. a)Find an equation of the depth, d(t)metres, with respect to the average depth, as a function of the

  40. Physics

    The density of a fresh water is 1000 kg/m^3 a 12 cm side cube is submerged to a depth of 30 cm 1-cauculate the pressure at:a-the bottom surface of the cube B-the top surface of the cube 2-calculate the force entered by water on each surface

  41. Physics

    A water tower is filled with fresh water to a depth of 6.38 m. What is the water pressure at a depth of 3.96 m?

  42. Science

    Which of the following contain water that is easily available for human use? (more than one answer) Icecaps & glaciers - 76% of fresh water Shallow Groundwater- 12% of fresh water Deep Groundwater - 11% of fresh water Lakes & Rivers - 0.34% of fresh water

  43. Science

    1. Why is accessible drinkable water such a small portion of Earth's total supply of fresh water? a . fresh water is in the ocean b . fresh water is in the clouds c . fresh water is below the ground d . fresh water is in the ice caps and glaciers ***** 2.

  44. Physics

    Seawater has a density of about 1024 kg/m^3. In fresh water, the water line on a certain rectangular raft (8.8cm thick) moves 3.2 cm when a load of cargo is placed on it. How much will the same load of cargo move the water line in seawater? What is the

  45. Intro to Physics

    (a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 25.6 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is at a pressure of 101.3 kPa. (b) What force is exerted by the water on the window of an

  46. engineering

    any help is greatly appreciated. I am so hopeless now. Water tower problem. The pressure in each house is 250 kPa and the average pressure drop is 50kPa. What should the height of the water tower? Height of the water level in the tower. What is the

  47. ELA

    can you proof read When we turn on the top,we expect an abundant supply of clean, fresh water to flow out. Having one of the world's largest supplies of fresh water, these expectations may usually be met in Canada . However,in many other countries, water

  48. chemistry

    A swimming pool, 20.0 m ✕ 12.5 m, is filled with water to a depth of 3.81 m. If the initial temperature of the water is 18.9°C, how much heat must be added to the water to raise its temperature to 30.1°C? Assume that the density of water is 1.000 g/mL.

  49. chemistry

    A swimming pool, 20.0 m 12.5 m, is filled with water to a depth of 3.73 m. If the initial temperature of the water is 17.7°C, how much heat must be added to the water to raise its temperature to 28.7°C? Assume that the density of water is 1.000 g/mL.

  50. psychology

    * Prepare one cup with sugar water and one with fresh water. * Take a sip of the sugar water and swish it around in your mouth for several seconds without swallowing it. Gradually, it should taste less sweet. (Dispose of the sugar water) * Taste from the

  51. american intercontinental university

    * Prepare one cup with sugar water and one with fresh water. * Take a sip of the sugar water and swish it around in your mouth for several seconds without swallowing it. Gradually, it should taste less sweet. (Dispose of the sugar water) * Taste from the

  52. chemistry

    Question Part Points Submissions Used A swimming pool, 20.0 m ✕ 12.5 m, is filled with water to a depth of 3.85 m. If the initial temperature of the water is 18.9°C, how much heat must be added to the water to raise its temperature to 28.7°C? Assume

  53. Physics

    A cylindrical container 1.5m tall contains mercury to a certain depth, d. The rest of the cylinder is filled with water. If the pressure at the bottom of the cylinder is two atmospheres, what is the depth d? I used this equation: 2atm = 1atm + (density of

  54. maths

    a conical tank open at the top is 4m and has a top radius of 1m its filled with water and after 2 hours, the depth of water dropped to 1m due to evaporation.set up a differential equation for the depth of water as a function of time.set up an equation for

  55. Physics

    A raft is constructed of wood having a density of 6.00x102 kg/m3. Its surface area is 5.40 m2 and its volume is 0.45 m3. When the raft is placed in fresh water, to what depth h is the raft submerged by its weight? The density of fresh water is 1000 kg/m3.

  56. Environmental Sciencee

    2. The water resources of the Earth are located in a. salt water fround in the ocean b. fresh water found in icecaps and glaciers c. fresh water found in rivers, lakes, and streams d. all of the above D

  57. Trigonometry

    Suppose you were at the beach and notice that at 1:00 pm the tide is in, that is, the depth of water is at its deepest. At that time you find that the depth of the water at the end of the pier is 1.9 meters. At 7:00 that evening when the tide is out, the

  58. Physics

    Fresh snow is about one-tenth as dense as liquid water. How much latent heat is released in storm clouds per square kilometer of surface area by the freezing of water droplets if the storm deposits a 30-cm-deep layer of fresh snow? Q = LfM where the mass

  59. Physics

    A tin can is filled with water to a depth of 37 cm. A hole 11 cm above the bottom of the can produces a stream of water that is directed at an angle of 32 degrees above the horizontal. Find the range of this stream of water. x=? Find the maximum height of

  60. Science

    A tin can is filled with water to a depth of 37 cm. A hole 11 cm above the bottom of the can produces a stream of water that is directed at an angle of 32 degrees above the horizontal. Find the range of this stream of water. x=? Find the maximum height of

  61. Sci: Physics

    A tin can is filled with water to a depth of 37 cm. A hole 11 cm above the bottom of the can produces a stream of water that is directed at an angle of 32 degrees above the horizontal. Find the range of this stream of water. x=? Find the maximum height of

  62. Physics

    A tin can is filled with water to a depth of 50 cm. A hole 16 cm above the bottom of the can produces a stream of water that is directed at an angle of 35degrees above the horizontal. Find the range of this stream of water. Find the maximum height of this

  63. physics

    A tin can is filled with water to a depth of 30 cm. A hole 11 cm above the bottom of the can produces a stream of water that is directed at an angle of 34° above the horizontal. (a) Find the range of this stream of water. (b) Find the maximum height of

  64. Trigonometry

    The depth d in feet of the water in a bay at is given by d(t) = 3/2 sin (5πt/31) + 23 where t is time. Graph the depth of the water as a function of time. What is the maximum depth of the water to the nearest tenth of a foot? (Enter only the number.)

  65. Math

    The depth d in feet of the water in a bay at is given by d(t) = 3/2 sin (5πt/31) + 23 where t is time. Graph the depth of the water as a function of time. What is the maximum depth of the water to the nearest tenth of a foot?

  66. Grade 6: money and measures

    An empty rectangular tank with a base are of 2400 cm2 is filled with water from two taps.one tap can fill the tank with 12 liters of waTer per minute while the other tap can do it at 3 liters per minute. a. what will be the depth of water in the tank after

  67. calculus

    A 24ft high conical water tank has its vertex on the ground and radius of the base is 10 ft. If water flows into the tank at a rate of 20 ft3/min, how fast is the depth of water increasing when the depth of the water is 20 ft?

  68. geometry

    a cylinder water tower is three-fourths full of water.the tower is 24 feet tall and has a diameter of 28 feet.how much water is in the tower now?

  69. Physics

    A container is filled to a depth of 20cm with water. on top of the water floats a 30.0 cm thick layer of oil with specific gravity of 0.700, what is the absolute pressure at the bottom? Please help!

  70. chemistry

    tell the taste of these types of water well water mineral water fresh water tap water earated water?

  71. Physics

    Pressure = weight density × depth Calculate the water pressure at the bottom of the 50-m-high water tower shown in the photo. Express your answer to two significant figures and include the appropriate units

  72. Physics

    A swimming pool filled with water to its edge, the depth of the water is 2m and an electric lamp is placed at a distance equals 8m from the edge of the pool over a column its height 6m. Calculate the length of non-apparent part from the pool bottom with

  73. math

    1) A rectangular tank, 15 cm long and 20 cm wide, is filled with water to a depth of 12 cm. When a rock is put in, the water level rose to 15 cm. What is the volume of the rock?

  74. Science

    A cicular pool with a radius oF 12 meter if filled with water to a depth of 3 meters. What is the weight of water in the swimming pool?

  75. Math

    A rectangular water tank of length 60 cm and width 40 cm contains water up to depth of 30 cm. A peice of ice measuring 20 cm by 15 cm by 12 cm is dropped into the tank of water. Calculate the new depth of water when the ice melts completely, assuming its

  76. Science

    The density of ocean water depends on the depth because pressure compresses the water. If the density of ocean water at a depth of 10,000 m is 1.071 g/mL and if 25.0 g of water at that depth contains 190 mg of potassium chloride, what is the molar

  77. physics

    If a boy swims horizontally at the surface of a pool filled with water to a depth of 4.5m. what pressure due the water will be experienced by the boy at the surface of the pool and at depth of 14.5 respectively given that the prevailing atm pressure is

  78. physics

    A container is filled to a depth of 15.0 cm with water. On top of the water floats a 27.0 cm thick layer of oil with specific gravity 0.800. What is the absolute pressure at the bottom of the container.

  79. periodic functions(math)

    A vessel is crossing a channel. The depth of the water(measured in metres) varies with time and is represented by the following equation: d(t)=2.5sin(0.523t)+2.9 a. create a graph showing the depth of the water over 24 hours. b. what is the period of this

  80. calculus

    A rectangular prismatic tank has the following dimensions :length is 3 m, width is 2m . And depth is 3m .it is being filled with water and the surface level is rising at 20cm/min.what is the inflow rate of water at the tank ?

  81. Calculus

    A rectangular prismatic tank has the following dimensions :length is 3 m, width is 2m . And depth is 3m .it is being filled with water and the surface level is rising at 20cm/min.what is the inflow rate of water at the tank ?

  82. Science

    If I take a 1 liter water bottle filled with water, what will most likely happen to the water and why? A.The water will get warmer B.The water will get cooler C.The water will stay the same D.None of the above I've tried this and I think it's A;if so why?

  83. Calculus

    A cylindrical jar of radius 5 cm contains water to a depth of 8 cm. the water from jar is poured at a constant rate into a hemispherical bowl. After t seconds, the depth of the water in the bowl is x cm and the volume, V of water is given as

  84. physics

    Here is a demonstration Pascal used to show the importance of a fluid's pressure on the fluid's depth(Figure 1) : An oak barrel with a lid of area 0.17m2 is filled with water. Along, thin tube of cross-sectional area 5.0×10−5m2 is inserted into a hole

  85. Calculus

    Consider a sphere container with radius R. 1. Suppose it is filled to height h, below halfway, with water. Find the volume of the water. 2. What is the proportion of the sphere's total volume taken up by the water filled as described in problem #1? 3.

  86. Geometry

    A flush tank on a toliet is rectangular with dimensions of 21 in. by 6.5 in. and contains water to a depth of 12 in. How many gallons of water per flush will be saved if the depth of water is reduced by one third? (231 in^3 per gallon.)

  87. Physics

    A person wants to launch a water balloon and hit the top of a tower, 50.0 meters away. The water balloon launcher is angled at 25 degrees. The water balloon leaves the launcher at 68 m/s. If the balloon hits the top of the tower, how high was the tower?

  88. Maths

    A cylindrical tank has the dimensions a 100cm and 140cm ,if the tank is filled with 275 liters of water what is the depth of water in the tank

  89. math

    please help me I need to finish this so that I can go into grade 11. A new water tower must be equidistant from three communities. They are located at (-25, 20) (-5, -40) and (15, 30). Find the coordinates of the point where the water tower should be built

  90. PHYSICS-please help! :)

    If deep-sea divers rise to the surface too quickly, nitrogen bubbles in their blood can expand and prove fatal. This phenomenon is known as the bends. If a scuba diver rises quickly from a depth of 25.0 m in Lake Michigan (which is fresh water), what will

  91. Physics

    The density of a fresh water is 1000 kg/m^3 a 12 cm side cube is submerged to a depth of 30 cm 1-cauculate the pressure at:a-the bottom surface of the cube B-the top surface of the cube 2-calculate the force entered by water on each surface

  92. Calculus II

    A cone-shaped water reservoir is 20 ft. in diameter and 20 ft. deep. If the reservoir is filled to a depth of 10ft., then write the integral which represents the amount of work required to pump all the water to the TOP of the reservoir.

  93. Trig functions

    The average depth of the water in a port on a tidal river is 4m. At low tide, the depth of the water is 2m. One cycle is completed approximately every 12h. a)Find an equation of the depth, d(t)metres, with respect to the average depth, as a function of the

  94. geometry

    a cylinder water tower is three-fourths full of water.the tower is 24 feet tall and has a diameter of 28 feet.how much water is in the tower now? CAN SOMEONE PLZ PLZ PLZ HELP ME

  95. Physics Question

    Here is a demonstration Pascal used to show the importance of a fluid's pressure on the fluid's depth : An oak barrel with a lid of area 0.17 m^2 is filled with water. Along, thin tube of cross-sectional area 4.7×10−5 m^2 is inserted into a hole at the

  96. science

    hello, I am a grade six student. my question is: What are two types of ocean biome? i answered that in a drop quiz by neritic and oceanic. however , my teacher answered that by fresh water and salty water biomes. I am not convinced. The oceans are salty,

  97. math

    How many pounds of water are in a 36 ft diameter tank that is filled to a depth of 24 ft? Thank you.

  98. Physics

    Can you please show all your work so that I can understand how the problem is solved? In the Challenger Deep of the Marianas Trench, the depth of water is 10.9 km and the pressure is 1.16 x 10^8 Pa. a) if a cubic meter of sea water is taken from the

  99. math

    One package of water plants is recommended for 3000 cubic centimeters of water in a fish tank.How many packages of plants will be needed for a 45 cm by 70 cm tank that is filled to a depth of 10 cm?

  100. English

    1. The water in the glass is fresh. 2. The water of the glass is fresh. [which preposition should we use?] 3. He is swimming in the water. 4. He is swimming in the river. 5. He is swimming in the sea. 6. He is swimming in the lake. 7. He is swimming in

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