Find the speed at which gasoline moves through the fuel line

Reference no: EM13314317

1. A fuel pump sends gasoline from a car's fuel tank to the engine at a rate of 7.18x10-2 kg/s. The density of the gasoline is 737 kg/m3, and the radius of the fuel line is 2.97x10-3 m. What is the speed at which gasoline moves through the fuel line?

2. The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. A swimming polar bear climbs onto a piece of floating ice that has a volume of 5.38 m3. What is the weight of the heaviest bear that the ice can support without sinking completely beneath the water?

3. A dentist's chair with a patient in it weighs 1840 N. The output plunger of a hydraulic system begins to lift the chair, when the dentist's foot applies a force of 65.7 N to the input piston. Neglect any height difference between the plunger and the piston. What is the ratio of the radius of the plunger to the radius of the piston?

Reference no: EM13314317

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