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 -��…
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Magnetically Hard Material
A hard magnetic material, such as ALNICO (an alloy of aluminium, nickel and cobalt), h…
Two trains are traveling in the same direction.The first one leaves at 8 AM with a speed of 40km/hr and the second leaves at 11 AM with a speed of 60 km/hr. At what time will the second train catch the first train?
As per the question we can arrange the given data for the two trains as, Train 1 Spee…
Define progressive wave and what are the characteristics of progressive waves
A wave in which the disturbance produced in the medium travels in a given …
State the conditions for constructive & destructive interference of light
(1) Constructive interference (brightness): There is constructive interfer…