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A train goes around a circle, the first time with an average velocity of 100 km/h. How fast should the train be when going around the circle again a second time, so that the average velocity over the two loops is 200 km/h? ...
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We all know that the c.o.m of a spherical ball having a small hole through which water leaks out at the bottom first goes down and then comes up..Ques is..->wat is the maximum depth till which the c.o.m. goes down..do the ...
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2 parallel st. lines are inclined to the horizontal at an angle α .A particle is projected from a point midway between them so as to graze one of the linesand strike the other at right angle .If θ be the nagle btwn directio ...
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A train is moving along a straight line with a constant acceleration a. A boy standing in the train throws a ball forward at an angle of 60° to the horizontal. The boy has to move forward by 1.15m inside the train to catch t ...
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*Image* This question is in your Shstra (Class-11). Please correct the option (D), its mistype there. ...
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Is it ever possible that a body moving down an inclined plane acquires so much velocity that it moves higher when it is ascending the other plane? Like in the top picture, can it rise higher than from where it was rolled on t ...
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A container (both side open is kept inverted as shown in the figure. Dimensions are given in the picture itself. The container is completely filled with a liquid. Find the minimum mass of the container so that it can stay on ...
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Newton's 3rd law states that to every action there is an equal and opposite reaction on two different bodies.... But, A ball has mass m. it goes and hits a wall with f=ma. let this force be f1. now change the frame of referen ...
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An open-ended U-tube of uniform cross-sectional area contains water (density 1.0 gram/centimeter3) standing initially 20 centimeters from the bottom in each arm. An immiscible liquid of density 4.0 grams/centimeter3 is added ...
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