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A particle of mass m moves on the axis as follows...it starts from rest at t=0from the point x=0 and comes to rest at t=1at x=1.no other info is available abt its motion....a is its acceleration.then: a)a cannot remain positi ...
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A bullet loses 1/20 th of its velocity on passing through a plank. Assuming the planks exert a constant retarding force, what is the no. of such planks required to just stop the bullet? Options given, but I'd rather someone s ...
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The equation for the reaction in the figure below is AB_{5}_{(g)} + heat\leftrightarrow AB_{3}_{(g)} +B_{2}_{(g)} double arrow means the reaction is in equilibrium *Image* At\; time\; 3\; min\; , what\; change\; was\; imposed ...
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On a sheet of paper the following statements are written- Exactly 1 statement in this sheet is false Exactly 2 statements in this sheet are false . . . . Exactly 100 statements in this sheet are false q)how many statements in ...
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If p,q,r,s are probablities of raining at 4 diff places at some fixed moment.then find max and min value of 3(p^2+q^2+r^2+s^2)-2(p+q+r+s)+4 ...
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There are n numbered seats around a round table.In how many ways can m(<n)persons sit around the table ? ...
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Q.1 ) FIND THE VALUE OF DETERMINANT : 265 240 219 240 225 198 219 198 181 Q.2) A thin lens is made with a material of refractive index 1.5 with both sides convex is dipped in water ( R.I.=1.33) , then how will it behave ? Q.3 ...
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Prove that the sum of the infinite series 1+1-1+1-1+... is either 1 or 0. <edited:> the sum can be 1/2 too.. in fact, the sum is formally defined to be 1/2. So...go ahead and prove it! ...
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is function of fuse inependent of its length ...
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A simple pendulum consists of a bob of mass 'm' attached to a string of breaking strength double the weight of the bob. The bob is released from rest vertically when the string is horizontal. The string breaks when it makes a ...
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*Image* ...
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f(x)= (2x4 - 14x2 - 8x +49)/(x4-7x2-4x+23) ...
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If tan A=1/7 and sin B=1/ 10 where 0<A ,B<pi/2 then 2B equals?? ...
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If tan A=1/7 and sin B=1/ 10 where 0<A ,B<pi/2 then 2B equals?? ...
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If tan A=1/7 and sin B=1/ 10 where 0<A ,B<pi/2 then 2B equals?? ...
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juniors do u want any books for low cost? if u want then tell me, bcoz i can u give u mine at a low cost , evn brilliant 2 year material is available. if u want then tell ...
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juniors do u want any books for low cost? if u want then tell me, bcoz i can u give u mine at a low cost , evn brilliant 2 year material is available. if u want then tell ...
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1) If \alpha , \beta , \gamma and \delta are the angles made by a line with the diagonals of a cube, then cos^2\alpha +cos^2\beta +cos^2\gamma +cos^2\delta is equal to : (a) 0 (b) 1 (c) 2/3 (d) 4/3 ...
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1) If \alpha , \beta , \gamma and \delta are the angles made by a line with the diagonals of a cube, then cos^2\alpha +cos^2\beta +cos^2\gamma +cos^2\delta is equal to : (a) 0 (b) 1 (c) 2/3 (d) 4/3 ...
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1.Two circles are constructed taking two sides of a triangle as diameter. What is the probability that these two circles intersect on third side of triangle? 2.In a MAMCQ test, der r 4 alternatives out of which 1 or more r co ...
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Q)A person standing on the bank of a river observes that angle of elevation of the top of the tree on the opposite bank of the river is 60° and when he retires 40m away from the tree the angle of elevation becomes 30°.The b ...
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1.A 20N block is suspended by a spring balance.A beaker containing some water is placed on a weighing machine which reads 40N.The the spring balance is lowered inside the water such that the block is fully immersed.The spring ...
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1.A 20N block is suspended by a spring balance.A beaker containing some water is placed on a weighing machine which reads 40N.The the spring balance is lowered inside the water such that the block is fully immersed.The spring ...
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1.A 20N block is suspended by a spring balance.A beaker containing some water is placed on a weighing machine which reads 40N.The the spring balance is lowered inside the water such that the block is fully immersed.The spring ...
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A boy is staning in an elevator accelerating upward throws a ball upward with a velocity V. The ball returns in his hands after a time t.The accelaraion of the lift is :???? ...
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a large closed vessel of height H contains a liquid. at the intial moment, the height of the liquid in the vessel is H/2, the space above being filled with air at atmospheric pressure. when the height falls to H/4, find the v ...
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a large closed vessel of height H contains a liquid. at the intial moment, the height of the liquid in the vessel is H/2, the space above being filled with air at atmospheric pressure. when the height falls to H/4, find the v ...
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a large closed vessel of height H contains a liquid. at the intial moment, the height of the liquid in the vessel is H/2, the space above being filled with air at atmospheric pressure. when the height falls to H/4, find the v ...
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a large closed vessel of height H contains a liquid. at the intial moment, the height of the liquid in the vessel is H/2, the space above being filled with air at atmospheric pressure. when the height falls to H/4, find the v ...
