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PHYSICS WALLAH-WORK, ENERGY AND POWER-Level - 2
- A uniform chain of length 2 m is kept on a table such that a length of...
03:40
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- The potential energy of a particle in a force field is: U = (A)/(r^(...
03:15
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- The potential energy of a particle varies with distance x as shown in ...
02:34
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- The potential energy of a force filed vec(F) is given by U(x,y)=sin(x+...
02:12
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- A body of mass m is moving in a circle of radius r with a constant spe...
04:01
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- A block of mass m is suspended by a light thread from an elevator. The...
02:07
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- A particle of mass 2 kg travels according to S=3t^3+2t Find the work d...
02:26
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- Starting at rest , a 10kg object is acted upon by only one force as in...
03:01
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- A block of mass 50 kg is projected horizontal on a rough horizontal fl...
05:13
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- The graph between the resistive force F acting on a body and the dista...
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- A ball of mass 0.6 kg attached to a light inextensible string rotates ...
02:26
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- Water in a bucket is whirled in a vertical circle with a string attatc...
04:05
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- A mass m is revolving in a vertical circle at the end of a string of l...
04:28
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- A motor cyclist moving with a velocity of 72 km/hour on a flat road ta...
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- A block follows the path as shown in the figure from height h. If radi...
Text Solution
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- If the KE of a body becomes four times its initial value, then the new...
03:03
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- The area of F-t curve is A, where 'F' is the force on one mass due to ...
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- A body of mass ‘M’ collides against a wall with a velocity v and retra...
01:14
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- A spring of spring constant 5 xx 10^(2) Nm is streched initially by 5 ...
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- A ball of mass 'm', moving with uniform speed, collides elastically wi...
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