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SL ARORA-Work, Energy and power-EXERCISE
- A particle of mass M is moving in a horizontal circle of radius R wit...
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- A bullet of mass 10g leaves a rifle at an intial velocity of 1000m/s ...
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- A block of mass 10 kg, moving in x-direction with a constant speed of ...
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- A ball is thrown vertically downwards from a height of 20m with an int...
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- A child is swinging a swing. Minimum and maximum heights fo swing from...
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- 300J of work is done in slinding a 2 kg block up an inclined plane of ...
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- The potential energy of a long spring when stretched by 2 cm is U. If ...
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- Two springs A and B (k(A)=2k(B)) are stretched by applying forces of e...
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- A mass of 0.5 kg moving with a speed of 1.5 m/s on a horizontal smooth...
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- A vertical spring with force constant k is fixed on a table. A ball of...
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- Two similar springs P and Q have spring constant K(P) and K(Q) such th...
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- The potential energy of a particle in a force field is: U = (A)/(r^(...
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- The potential energy between two atoms in a molecule is given by, U((x...
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- A body of mass 1 kg is thrown upwards with a velocity 20 ms^(-1). It m...
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- An engine pumps water continously through a hose. Water leave the hose...
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- A block of mass m attached in the lower and vertical spring The spring...
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- The potential energy of a system increased if work is done
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- A body projected vertically from the earth reaches a height equal to e...
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- An engine pumps water through a hose pipe. Water passes through the pi...
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- The heart of a man pumps 5 liters of blood through the arteries per mi...
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