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There is a heap of sand... coefficient of friction is r... what is the maximum slope of the heap? some thing like this... or may be height.. i think same difference... u know one u know both ...
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*Image* Water flows in a circular path as shown.. the speed is such that it flows at a constant speed "v" throughout the width of the river. What is the position of the swimmer who swims perpendicular to the water flo ...
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*Image* The Figure shows two rods BC and OA hinged from B and O respectively. Rod BC has a groove in which A of rod OA can slide smoothly. At a given instant,the rod BC has an angular velocity ω. The speed of end A of the ro ...
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*Image* A Long bus has to be passed from the top to the wider road on the side horizontally. The width of the road at the top= a The width of the road at the side= b Find the longest bus that can be made so that it ca ...
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A straight glass tube with its lower end sealed has a length \ell=152\ \mathrm{cm} . The lower half contains one mole of an ideal diatomic gas. The top half contains mercury and the top of the tube is open to atmosphere (atmo ...
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*Image* Identical wires, each with resistance R, are connected so as to form the edges of the platonic solid Icosahedron.(The figure is given , additionally note that it is a polyhedron with 20 faces, each face an equilateral ...
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Consider two identical spheres,one of which lies on a thermally insulating plate and the other hangs on an insulating thread.Equal amounts of heat is given to the 2 spheres. Which will have a higher temp. ?? ...
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A cylinder can move without friction along a straight wire parallel to its axis of symmetry, as shown. *Image* Tiny particles moving horizontally at speed v_0 bombard the body from both left and right. Collisions with the rig ...
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The diagram below shows the section of the pencil... Assume that for the pencil, shape is a regular hexagon, the wooden part is massless compared to the lead inside.. so that there is only mass at the center. The pencil is ro ...
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Q) the uniform rectangular (laminar) block in the figure has mass M and dimensions [a,a/2] which is supported by two massless inelastic strings of equal length whose other ends are attached to a rigid ceiling Find the angular ...
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A comet is moving in a parabolic path around the Sun in the same plane as the orbit of Earth (without any collision with the Earth, obviously!). Determine the maximum time that this comet can spend within the Earth's orbit, w ...
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*Image* The setup shown consists of two identical rods (mass m) hinged together at the ends. This setup is held in the position shown. Now we start applying a constant force F to the free end as shown Find the initial angular ...
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*Image* A straight tunnel is dug into the earth as shown in fig. at a dist. b from its centre. A ball of mass m is dropped from one of its ends. The time it takes to reach the other end is : a. 42 mins. b. 84 mins. c. 84( b/R ...
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i was solving this classical sum from irodov a chain is tied to a thread such that the lower portion just touche the upper part of the table. now the thread is burnt prove that the force exerted by the falling part is twice o ...
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well....organic a nightmare for many fun for others....a house of many exceptions to basic phenomenon n reactions is the beauty of ORGANIC CHEMISTRY!!!!!!! so this thread is dedicated to those exceptions in organic chemistry! ...
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Post ur computer , mobile secrets and tricks , any useful websites for it , etc etc bla bla.. ...
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A body starts sliding (from rest) without friction down a hill of height h. In the beginning the body has potential energy and no kinetic energy; at the end the body has only kinetic energy. It follows from energy conservatio ...
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*Image* find the acceleration of the 1 kg mass!! :D ...
