A certain tank of depth 10 ft is a surface of revolution formed by rotating y = x² about its axis. If the tank is full of water, find the work done in pumping the water to the top of the tank until the depth of the remaining water is 6 ft.

Q: Jack and Jill are 6th graders. Jill is on a merry-go-round that has a radius of 8 feet. Jack runs,…

A: Radius of the merry-go-round Angular velocity of the merry-go-round  (revolutions per minute)

Q: 3. The straight-line distance from Earth to Mars at the time the launch is scheduled is 100 million…

A: To find actual distance (s) ∫abds=∫ab1+dydx2dx given y=-1125x-502+20…

Q: 6. A Ferris wheel is 200 ft in diameter with its lowest point 3 ft off the ground. Once all the…

A:

Q: Find the linear velocity of a point on the edge of a wheel rotating 35 times per minute. The…

A:

Q: The 550 ft tall wheel has a diameter of 5290 ft. a rde on its one of its 28 passenger cars last 30…

A: Given that the wheel is 520 feet in diameter & its height is 550 feet. Time required for one…

Q: A Ferris wheel was built for an exposition. It held 2100 people, had diameter of 251 ft, and took 25…

A: Diameter = 251 ftTime = 25 minute

Q: Find the area of the circle whose center is at (2, -5) and tangent to the line 4x+3y-8=D0

A: Area of the circle = 9π sq.units