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*Image* A projectile is fired with a speed 10 m/s , at an angle 30° with the horizontal.Find the time after which the velocity is perpendicular to the initial velocity of Projection.Take g as 10 m/s^2. 1.2s 2.2.5 s 3.1s 4.No ...
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hi, we know that electric field inside the conductor is zero. but why is it so? why charges move to the surface. anyone please reply..... ...
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*Image* A projectile is fired at t=0 with velocity v = 20√2 m/s at an angle of 45° degrees as shown. A wall inclined at the same angle and at a distance of 40 m starts moving towards the projectile at the same time (ie., t ...
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2 persons are holding a rope of negligible weight tightly at its ends,so that it is horizontal. A 20kg weight is attached to the rope at the mid-point,which is now no longer horizontal. The minimum tension required to strengt ...
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What are the forces acting on the ladder in the example below *Image* The ladder is held against the wall, the wall is friction-less. So what will be the fores acting on the ladder? please help...........!! ...
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*Image* Capacitor A is of 4 microfarad and B is of 2 microfarad. B is charged to 12 V and then connected to A. Find the heat transfer from one capacitor to another. ...
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Q: Why is easier to break a piece of paper that you wet dry? ...
