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A tank is filled up to a height 2H WITH A LIQUID and is placed on a platform of height H from the ground .the distance x from the ground where a small hole is punched to get maximum range R is?
Ans) let the distance be x.then range(R)=2 . [(3H-x).x]^1/2 ......................... [ since t=(2x/g)^1/2 and v={2g(3H-x)}^1/2 ] R^2 = 4.(3Hx-x^2) for R to be max...R^2 should be max.hence differentiating and putting d(R^2)/dx=0.we get 3H-2x=0x=3H/2.
if two metal spheres are mounted on insulators then how will we give them equal charge by using a charged glass rod?
In computing the electric field at a point call it point P in the first quadrant of a Cartesian coordinate system because of a continuous charge distribution from 0 to L on the x-a
A transformer has 124 turns on the primary coil and 18,600 turns on the secondary coil. a. Is this a step-down or a step-up transformer? step-up transformer
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What is radiation
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Describe an echo. What is the minimum distance needed to form an echo. Write its application.
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