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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.
a) Explain what is meant by the term "Heat Energy" b) An Aluminium bar 0.5m long, initially at 20° C is heated until its temperature rises by 50 0 C. Determine the change in l
The magnetic field of Earth resembles the field of a bar magnet. The north pole of a compass needle, used for navigation, generally points toward the geographic north pole.
what is a projectile
a loaded cart has a mass of 227kg. if a 312n force acting at an angle of 30degree to the ground is applied. how much work is done in moving the cart 15meters?
When two rays of same frequency, similar wavelength, and similar speed moves in the same direction, their superimposition gives result in the interference. Due to interference the
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Complete describe this experiment assignment
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