. A dentist's chair with a patient in it weighs 2500 N. The output piston of the hydraulicsystem has a diameter of 12.0 cm and the input piston has a diameter of 0.800 cm. Neglectingany height difference between the input and the output pistons, (a) how much force must beapplied by the dentist's foot in order to lift the chair? (b) When the dentist moves the inputpiston through 10.0 cm worth of distance how far does the output piston (the chair) move?

Answered: . A dentist's chair with a patient in…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Many cities have water tanks raised high off the ground to produce pressure for their residence. If one such water tank had a diameter of 4.40 m and its water level being 20.7 m above the ground. What would be the pressure at ground level if the water was not being used? (static)If at ground level a faucet had an opening with a diameter of 2.00 cm, how fast would the water come out of the faucet?
A certain hydraulic system is designed to exert a force 405 times as large as the one put into it. (a) What must be the ratio of the area of the slave cylinder to the area of the master cylinder? (b) What must be the ratio of their diameters? (c) By what factor is the distance through which the output force moves reduced relative to the distance through which the input force moves? Assume no losses to friction.
A piston connected to a trigger in a water pistol gun drives water (1000 kg/m3) through a large tube of area A. (radius of 1.00 cm) into a smaller tube of area A, (radius of 1.00 mm). The smaller tube is 3.00 cm above the larger tube. The water stream coming out of the nozzle of the water gun reaches 8.00 m away in just 0.500 s. Calculate the force that must be exerted on the trigger (due to pressure over and above atmospheric pressure). 0.500 s 8.00 m Select one: O 128 N O 40.3 N O 72.1 N O 33,0 N O O O O
A tank in the form of a right-circular cylinder of radius 0.4 m and height 3 m is standing on end. When water leaks through a hole, friction and contraction of the stream near the hole reduce the volume of the water leaving the tank per second to CA,√2gh. If the tank is initially full of water, and water leaks from a circular hole of radius 17.5 mm at its bottom, determine a differential equation for the height h of the water at time t. Ignore friction and contraction of water at the hole, that is let c = 1. (Assume the acceleration due to gravity g is 9.8 m/s². Round your numeric value to five decimal places.) dh dt = eBook -3 8.47392 10 3 √h
In the figure, the fresh water behind a reservoir dam has depth D = 14.0 m. A horizontal pipe 3.51 cm in diameter passes through the dam at depth d= 5.62 m. A plug secures the pipe opening. (a) Find the magnitude of the frictional force between plug and pipe wall. (b) The plug is removed. What water volume exits the pipe in 2.00 h? (a) Number (b) Number Units Units
A company needs to pump coconut oil (den: 924 kg/m^3) from the import truck to its holding tank 21 meters above the ground. What is the lowest pressure pump that can lift it to this height? Give answer in ATM units. A Moving to another question will save this response. Question 11 of 24
A hippo is dozing under water with only its small nostrils sticking out. It has a mass of 3000 kg and a volume of about 2.98 m3 after exhaling. How much force in Newtons does it exert on the ground of the pool (fresh water, density 1g/cm3)?
(c) Water is circulating through a closed system of pipes in a two-storey house. On the ground floor, the water has a gauge pressure reading of 3.5 × 105 Pa and has a speed of 2.1 m/s. However, on the upper floor, which is 3.8 m higher, the speed of the water is 3.7 m/s. The pipe widths are different on the two floors. Calculate the pressure of the water on the upper floor of the house? Take the density of water to be 1000 kg/m
A hippo is dozing under water with only its small nostrils sticking out. It has a mass of 3000 kg and a volume of about 2.99 m3 after exhaling. How much force in Newtons does it exert on the ground of the pool (fresh water, density 1g/cm3)? Suhm Answor Trioc 0/2
answer 8 only
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