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Hahah I don`t know find yourself... wtf why we have to answer in more than 100 words.................
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In classical mechanics, linear momentum , translational momentum , or simply momentum (pl momenta; si unit kg · m/s) is the product of the mass and velocity of an object, quantified in . It is...
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How space and time become relative? One of the most amazing features of spatial relativity is that a number of statements and results that we often think to be absolute turn out to be...
@ anita donot try to ignore semiconducter electronics , they are very much imp , at least u can expect 3-4 ques from semiconducter , and i am enlisting some of the imp topics of modern physics below...
if the wave travels in a circle, with an initial energy of P ( linked directly to wave "intensity" ), The wave energy at a distance r from the initial point is kP/r², k being a constant. Waves can...
F = -20j dr = (4i -6j) – (2i+6j ) = (2i – 12 j) Now word done is F.dr = 20*12 = 240 Thanks
pls check the question once again
Total height it traversed => 0^2 = v^2 – 2gH H = v^2/2g...............................(1) At half the height. v’^2 = v^2 – 2g(H/2) v’^2 = v^2 – v^2/2 = > v^/2 {from eqn. (1)} v’ = v/root(2) m/s d...
Apply the eqns. in horizontally and vertical respectively. In x – direcn. we get, x = 10*t In y- direcn. we get, 20 = 0 + 0.5gt^2 t = 2 seconds. Hence, x = 10*2 = 20 meter.
A particle is projected with velocity u making an angle of 45° with the vertical then also the angle it would make woth horizontal woyld be same that is 45 degree. . Therefore the height it would...
The reason is simple that is: At posstion where the rainbow is formed the semi-circle that is flormed is the locus from all the points equally paced at equal angles from the air from us and the water ...
naveen it is a simple question. we have to convert km/h^2 it gives m/sec^2. so m/sec^2 is the unit of acceleration.the answer is (c)
From third law of eqn. of motion we get, v^2 = u^2 + 2as 0^2 = (126000/3600)^2 + 2a*200 we get a = –(1260/36)^2/400 = – 3.0625 m/s^2. and time=> 0 = 1260/36 – 3.0625*t t = 11.44 seconds
basically you can take any angle from vector , you need to do components of vector , take the cos(theta) in which you have taken angle and other as sin (theta) and multiply with vector length , do...
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