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Posted by Manoj Jaiswar ( PMJ Sir )
Doors of a dam are 20m below the surface of water in the dam. If one door is opened what will be the speed of the water that flows out of the door ?
The given can be listed as, h= 20m g = 9.8m/s² To find, v = ? Solution -��…
Calculate the viscous force acting on a rain drop of diameter 1 mm, falling with a uniform velocity 2 m/s through air. The coefficient of viscosity of air is 1.8 × 10^-5 Ns/m².
As per the question we can list some data as, diameter d = 1mm velocity v…
In a hydraulic lift, the input piston had surface area 30 cm² and the output piston has surface area of 1500 cm² . If a force of 25 N is applied to the input piston, calculate weight on output piston.
As per the given question we can list some given data as Input force F₁ =…