# Recently Active Mechanics Questions

• A side wall of a wide open tank is provided with a narrowing(Linearly)tube through which water comes out. The cross-sectional area decreases from S1 to s2 the water level in the tank is h meter high than tube. Neglecting visc ...
replied2008-10-17 06:37:46
• wotz d moment of inertiaof a square plate : A)alongs itz diameter? b)axis perpendicular n passing through the center?????? ...
replied2008-10-16 19:08:46
• hey cud u plzz slove ques. 63 part (c) and ques 64.... of rotational meachnaics...of hc verma...pg 199......... m sooo sry bt din feel lyk writing the ques as itz tooo big.... ...
replied2008-10-15 20:36:03
• A ball falls from rest 4rm a height "h" onto a floor,and rebounds bk...to height h/4.... find the coff. of restitution b/w the floorn ball?? ...
replied2008-10-15 16:48:31
• If a cylindrical rod is dropped from a height 'h', Then at what angle should it strike the ground such that its angular momentum is maximum. The friction between the ground and the rod is 'Î¼', The length of t ...
replied2008-10-13 22:56:05
• Why do we study derivatives up to acceleration only ...
replied2008-10-13 00:29:57
• A body is on a wedge(Traingular ABC), which is right angled at B and B touches the ground. Body is at point A A body can move from A to C by two different pathes: - Sliding along the inclined plane AC (lenght l) without frict ...
replied2008-10-12 07:02:33
• A thin spherical shell having uniform density is cut in two parts by a plane and kept separated. The point A is the center of the plane section of the first partand B of the second part. Show that the gravitational field at A ...
replied2008-10-12 04:01:43
• If a satellite is revolving in a radius of 3R around earth energy req 2 make it escape? I made 2 solns but can.t find out which is correct... 1. TEi=-GMm/6R so if GMnm/6R is provided it will escape ...
replied2008-10-12 03:03:21
• 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? ...
replied2008-10-11 11:39:28
• View this image: http://techtantra.in/targetIIT_images/bernoulli.jpg Explain the phenemenon! ...
replied2008-10-11 07:19:10
• I am in a car moving with constant velocity, such that i cannot see what is going on outside. I dont know whether the car is at rest or in motion. How will I find it out? (Without using any external help! ) like a speedomente ...
replied2008-10-11 06:57:10
• A heavy block of mass(high density!) is thrown into water from a boat in a small tank made for experiment. Will the water level a)increase b)decrease c) remain the same. ...
replied2008-10-11 06:38:41
• 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 ...
replied2008-10-11 05:53:10
• A bomb is droped from a plane flying horizontally with uniform speed. Show that the bomb will explode vetically below the plane. will this be true if the plane flies with uniform speed but not horizentally? ...
replied2008-09-28 21:56:45
• Please make the following terms very clearly. I am not understanding them from books... * Yield point * yield strength * permanent set * plastic deformation * tensile strength * fracture point * proportional limit Pls give so ...
replied2008-09-28 13:36:10
• A block of mass m slides on a horizontal table under the action of a horizontal force. the coeffecient of friction between the mass and table is Î¼1, while that between the table and ground is Î¼2. Mass of block: m Mass of ta ...
replied2008-09-26 21:34:21
• I have not been able to understand Rolling Friction. Could someone make it more clear to me? ...
replied2008-09-26 20:42:09