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Q. Determine horizontal velocity with which a stone must be projected horizontally from a point P, so that it may hit the inclined plane perpendicularly. The inclination of the plane is θ and point P is at height 'h' above t ...
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A particle is moving along x - axis whose acceleration is given by a = 3 x - 4 , where x is the location of the particle. At t = 0, the particle is at rest at x = 4/3. Find the distance travelled by the particle in 5 s. ...
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Q. Two particles, one with constant velocity 50m/s and other with uniform acceleration 10m/s2, start moving simultaneously from the same place in the same direction. They will be at a distance of 125m from each other after ho ...
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Q. Find the number of ways of selecting 10 objects out of 30 objects of which 10 are alike and rest are different? ...
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Q. If α,β are the roots of quadratic equationnn ax2+bx+c, then find the equation whose roots are (α2-β2)(α3-β3) and α2β3+α3β2 ? ...
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Q. If the roots of the equation ax2+bx+c=0 , are of the form α/α-1 and α+1/α , then the value of (a+b+c)2 is? [ans - b2-4ac] I got the answer by putting any value of alpha but how to solve it in subjective form ...
