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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.
An electron in a hydrogen atom makes a transition from E 3 to E 1 . How much energy does the atom lose?
Q. Define: binding energy. The energy equal of mass defect is called as binding energy. ∴ Binding energy = [Zm P + Nm n - m] c 2 = Δm c 2 . Here, Δm is the mass defe
working and construction of fabry perot interferometer
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what happens to a conical pendulum when the bob splits into two parts such that one part remains attached to the string?
What about ISO 9000? Again there considers being confusion about the ISO 9000 series of certifications. This ISO in essence is not a guarantee of good value and is not specifie
Three capacitors with different capacitances are connected in series. Which of the following statements is TRUE? a) All three of the capacitors have the same potential diffe
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what is charge?
Battery powered vehicles Used DC series motors are the first choice. Recently AC motors with frequency changers are being considered.
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