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The phase of weightlessness may be observed in the following situations:
(i) When objects fall freely under gravity : For example, a lift goes down freely, or an airship showing a feat in which it falls freely for a few seconds in the mean whereas its flight, are in state of weightlessness.
(ii)When a satellite revolves in its orbit around the earth: Weightlessness poses many serious problems to the astronauts. It seems quite complex for them to control their positions. Everything in the moon has to be saved tied down.
(iii) When bodies are at null points in outer space : On a body shown up, the force of the earth goes on reducing, but at the similar time the gravitational force of the moon on the body goes on enhancing. At one point, the two gravitational forces may be equal and opposite and the net pull on the body converts to zero. This is zero gravity fields or the null point and the body in question is said to appear weightless.
What are fitting? Practically the only part of a fiber optic system which the public ever notices. End fittings are the components for fixing, supporting, finishing and aiming
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Draw the v-t graph of an automobile that accelerates uniformly from rest at t = 0.00 s and covers a distance of 180.0 m in 12.0 s.
what is retardation
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Q. What is quantum mechanical "Tunneling"? Give one example. OR What do you mean by quantum mechanical tunneling? Show that the tunneling probability is given by the
A 10 V ZENER DIODE ALONG WITH A SERIES RESISTOR IS CONNECTED ACROSS A 40 V SUPPLY.CALCULATE THE MINIMUM VALUE OF THE RESISTOR REQUIRED,IF THE MAXIMUM ZENER CURRENT IS 50 mA?
Describe a) Potential difference between two points V, B) Intensity of electric field E. Derive the relation between them.
Calculate curl A. Where
Can you put any amount of light into a fiber optic? It is one of the standard fallacies of the industry. The system required to put a sizeable amount of light in a fiber optic
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