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A simple jack screw
Bore a hole by a block of wood to fit a carriage bolt. Choose a bolt that is threaded nearly its whole length. Sink the head of the bolt in the wood, so that it is flush with the surface and nail a piece of board in excess of it. Over the projecting threads place a nut, then a washer and short piece of metal pipe. The in diameter of the pipe must be slightly larger than the bolt. By turning the nut with a wrench the device will act as a powerful lifting jack
simple jack screw
(a) Two55 g ice cubes are dropped into300 g of water in a thermally insulated container. If the water was initially at 25°C, and the ice came directly from a freezer at -15°C, what
describe optical fiber communication with block diagram
How to drive it?
A charge q of mass m starting from rest is allowed to move between two plates having a potential difference of V volt. Determine the final velocity of it? Repulsion is the sure
Printing Paper Industry: Synchronous motors are used in grinders. DC drives are used for pumping pulp and refining it.
If two soap bubbles of different radii are connected by a tube then, what happen? Ans) When these bubbles are joined through tube..the smaller bubble(with more pressure) gets its
Superconductivity The phenomena from which, at sufficiently low temperatures, a conductor can conduct charge along with zero resistance. The current theory for describing supe
how to you calculate the inducatnce on a balanced delta circuit?
I''m looking for help with a particular project regarding calculating specific refractive index calculations / measurements using a mirror. This help will involve practical assista
A particle is projected from ground with velocity 40sqrt2m/s.find- a)velocity and b)displacement of particle after 2sec .Take g=10m/s^2 Ans) velocity v=u+at a=-g v=40√2-10*2
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