(1 point) Book Problem 15 An aquarium 10m long, 5m wide, and 9m deep is full of water. The density of water is 1000kg/m3 and the force of gravity is 9.8m/s2, a) Find the work needed to pump all of the water out of the aquarium Work Joules. b) Find the work needed to pump half of the water out of the aquarium. Joules Work =
(1 point) Book Example 4 A tank has the shape of an inverted right circular cone with height 7m and radius 8m. It is filled with 3m of hot chocolate. Assume that the density of the hot chocolate is 1480kglm3 and g = 9.8mls2. Find the work required to empty the tank by pumping the hot chocolate over the top of the tank Work = Joules.
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(1 point) Book Problem 9 A heavy rope, 20 ft long, weighs 0.9 lb/ft and hangs...
A heavy rope, 40 ft long, weighs 0.8 lb/ft and hangs over the edge of a...
A heavy rope, 40 ft long, weighs 0.8 lb/ft and hangs over the edge of a building 110 ft high. How much work is done in pulling the rope to the top of the building? 710ft-lb 730ft-lb 750ft-lb 740ft-lb 640 ft-lb
An aquarium 10m long, 4m wide, and 9m deep is full of water. The density of...
An aquarium 10m long, 4m wide, and 9m deep is full of water. The density of water is 1000kg/m3 and the force of gravity is 9.8m/s2 a) Find the work needed to pump all of the water out of the aquarium. Joules b) Find the work needed to pump half of the water out of the aquarium. Work # Joules
Please answer all questions, and I will rate you well! Thanks :) 2. 12/18 points | Previous Answers SCalcET8 6.4.013.MI My Note A heavy rope, 60 ft long, weighs 0.5 lb/ft and hangs over the edge of a...
Please answer all questions,
and I will rate you well! Thanks :)
2. 12/18 points | Previous Answers SCalcET8 6.4.013.MI My Note A heavy rope, 60 ft long, weighs 0.5 lb/ft and hangs over the edge of a building 150 ft high. (Let x be the distance in feet below the top of the building. Enter xas x,.) (a) How much work W is done in pulling the rope to the top of the building? Show how to approximate the...
A bucket that weighs 6 lb and a rope of negligible weight are used to draw water from a well that is 50 ft deep. The bu...
A bucket that weighs 6 lb and a rope of negligible weight are used to draw water from a well that is 50 ft deep. The bucket is filled with 36 lb of water and is pulled up at a rate of 2.5 ft/s, but water leaks out of a hole in the bucket at a rate of 0.25 lb/s. Find the work done in pulling the bucket to the top of the well. Show how to approximate the required...
A bucket that weighs 5 lb and a rope of negligible weight are used to draw...
A bucket that weighs 5 lb and a rope of negligible weight are used to draw water from a well that is 80 ft deep. The bucket is filled with 36 lb of water and is pulled up at a rate of 2 ft/s, but water leaks out of a hole in the bucket at a rate of 0.2 lb/s. Find the work done in pulling the bucket to the top of the well. Show how to approximate the required...
An aquarium 2 m long, 1 m wide, and 1 m deep is full of water (a) Sketch and label a picture of the aquarium. Imagi...
An aquarium 2 m long, 1 m wide, and 1 m deep is full of water (a) Sketch and label a picture of the aquarium. Imaging pumping half the water out of the top: we do NOT pump all the water at once. Instead, think of taking one very small slice of the water and lifting it to the top of the tank. Sketch a rectangular slice of water of thickness Δy. (b) Find the work needed to pump half...
3 ft, length L= 14 ft and height h = 4 ft (1 point) The trough...
3 ft, length L= 14 ft and height h = 4 ft (1 point) The trough in the figure below has width w (Click on the graph for a larger version.) If the trough is full of water, find the force of the water on a triangular end. (Use the density of water 62.4 lb/ft'.) Force Don't forget to enter units Find the work to pump all of the water over the top of the trough. Work Don't forget to...
9. a. A spring has constant k-5lb./in. Its natural length is 12 inches. What is the work required to compress it to 9 inches? b. A 100 ft. cable weighs 40 lbs. Find the work done in winding the c...
9. a. A spring has constant k-5lb./in. Its natural length is 12 inches. What is the work required to compress it to 9 inches? b. A 100 ft. cable weighs 40 lbs. Find the work done in winding the cable onto a winch, if the cable is hanging vertically c. An unknown positive charge q is placed at the origin. The force F (in Newtons) with which this charge repels a unit positive charge is given by F-kq/r, where k...
(1) Suppose you lift a stone that has a mass of 5.3 kilograms off the floor...
(1) Suppose you lift a stone that has a mass of 5.3 kilograms off the floor onto a shelf that is 2 meters high. How much work have you done? Joules (2) Suppose you lift a laptop that weighs 3.2 pounds off the floor onto a shelf that is 4 feet high. How much work have you done? foot-pounds (3) The force on a particle is described by 9x^3−1 pounds at a point xx feet along the x-axis. Find the...
work step by step! FINAL EXAM Problem 9: A tank full of water with dimension 20 feet long, 10 feet wide, and 6 feet deep is situated right below the floor of a house. Water from this tank is us...
work step by step!
FINAL EXAM Problem 9: A tank full of water with dimension 20 feet long, 10 feet wide, and 6 feet deep is situated right below the floor of a house. Water from this tank is use through a faucet (outlet) 3 feet above the ground that half of the water is used up in the morning and half is used up in the evening by midnight. Find the work done by the water pump by midnight...
A heavy rope, 40 ft long, weighs 0.8 lb/ft and hangs over the edge of a building 110 ft high. How much work is done in pulling the rope to the top of the building? 710ft-lb 730ft-lb 750ft-lb 740ft-lb 640 ft-lb
An aquarium 10m long, 4m wide, and 9m deep is full of water. The density of water is 1000kg/m3 and the force of gravity is 9.8m/s2 a) Find the work needed to pump all of the water out of the aquarium. Joules b) Find the work needed to pump half of the water out of the aquarium. Work # Joules
Please answer all questions,
and I will rate you well! Thanks :)
2. 12/18 points | Previous Answers SCalcET8 6.4.013.MI My Note A heavy rope, 60 ft long, weighs 0.5 lb/ft and hangs over the edge of a building 150 ft high. (Let x be the distance in feet below the top of the building. Enter xas x,.) (a) How much work W is done in pulling the rope to the top of the building? Show how to approximate the...
A bucket that weighs 6 lb and a rope of negligible weight are used to draw water from a well that is 50 ft deep. The bucket is filled with 36 lb of water and is pulled up at a rate of 2.5 ft/s, but water leaks out of a hole in the bucket at a rate of 0.25 lb/s. Find the work done in pulling the bucket to the top of the well. Show how to approximate the required...
An aquarium 2 m long, 1 m wide, and 1 m deep is full of water (a) Sketch and label a picture of the aquarium. Imaging pumping half the water out of the top: we do NOT pump all the water at once. Instead, think of taking one very small slice of the water and lifting it to the top of the tank. Sketch a rectangular slice of water of thickness Δy. (b) Find the work needed to pump half...
3 ft, length L= 14 ft and height h = 4 ft (1 point) The trough in the figure below has width w (Click on the graph for a larger version.) If the trough is full of water, find the force of the water on a triangular end. (Use the density of water 62.4 lb/ft'.) Force Don't forget to enter units Find the work to pump all of the water over the top of the trough. Work Don't forget to...
9. a. A spring has constant k-5lb./in. Its natural length is 12 inches. What is the work required to compress it to 9 inches? b. A 100 ft. cable weighs 40 lbs. Find the work done in winding the cable onto a winch, if the cable is hanging vertically c. An unknown positive charge q is placed at the origin. The force F (in Newtons) with which this charge repels a unit positive charge is given by F-kq/r, where k...
work step by step!
FINAL EXAM Problem 9: A tank full of water with dimension 20 feet long, 10 feet wide, and 6 feet deep is situated right below the floor of a house. Water from this tank is use through a faucet (outlet) 3 feet above the ground that half of the water is used up in the morning and half is used up in the evening by midnight. Find the work done by the water pump by midnight...
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