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One mole of a gas expands obeying the relation as shown in the P/V diagram. The maximum temperature in this process is equal to
- None of these
The correct answer is:
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PV curve for the process whose VT curve is
PV curve for the process whose VT curve is
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A long plank P of the mass 5 kg is placed on a smooth floor. On P is placed a block Q of mass 2 kg. The coefficient of friction between P and Q is 0.5. If a horizontal force 15N is applied to Q, as shown, and you may take g as 10N/kg.
A long plank P of the mass 5 kg is placed on a smooth floor. On P is placed a block Q of mass 2 kg. The coefficient of friction between P and Q is 0.5. If a horizontal force 15N is applied to Q, as shown, and you may take g as 10N/kg.
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From a uniform disc of radius R, an equilateral triangle of side 3 R is cut as shown. The new position of centre of mass is :
From a uniform disc of radius R, an equilateral triangle of side 3 R is cut as shown. The new position of centre of mass is :
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A truck moving on horizontal road towards east with velocity 20 ms–1 collides elastically with a light ball moving with velocity 25 ms–1 along west. The velocity of the ball just after collision
A truck moving on horizontal road towards east with velocity 20 ms–1 collides elastically with a light ball moving with velocity 25 ms–1 along west. The velocity of the ball just after collision
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A force F = Be–Ct acts on a particle whose mass is m and whose velocity is 0 at t = 0. It’s terminal velocity is :
A force F = Be–Ct acts on a particle whose mass is m and whose velocity is 0 at t = 0. It’s terminal velocity is :
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A cuboid ABCDEFGH is anisotropic with 
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In the system shown in the figure there is no friction anywhere. The block C goes down by a distance x0 = 10 cm with respect to wedge D when system is released from rest. The velocity of A with respect to B will be (g=10 m/s2 )
In the system shown in the figure there is no friction anywhere. The block C goes down by a distance x0 = 10 cm with respect to wedge D when system is released from rest. The velocity of A with respect to B will be (g=10 m/s2 )
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Block B of mass 100 kg rests on a rough surface of friction coefficient 
= 1/3. A rope is tied to block B as shown in figure. The maximum acceleration with which boy A of 25 kg can climbs on rope without making block move is :
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Two masses m and M are attached to the strings as shown in the figure. If the system is in equilibrium, then
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With what minimum velocity should block be projected from left end A towards end B such that it reaches the other end B of conveyer belt moving with constant velocity v. Friction coefficient between block and belt is m.
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A disc arranged in a vertical plane has two groves of same length directed along the vertical chord AB and CD as shown in the fig. The same particles slide down along AB and CD. The ratio of the time tAB/tCD is
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