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Question

PV curve for the process whose VT curve is

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The correct answer 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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A sphere strikes a wall and rebounds with coefficient of restitution 1/3. If it rebounds with a velocity of 0.1 m/sec at an angle of 60° to the normal to the wall, the loss of kinetic energy is

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A man moves in x-y plane along the path shown. At what point is his average velocity vector in the same direction as his instantaneous velocity vector. The man starts from point P.

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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=10m/s2)

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Block B of mass 100 kg rests on a rough surface of friction coefficient mu = 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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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 t subscript A B end subscript divided by t subscript C D end subscript is

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In the arrangement shown in the figure, mass of the block B and A is 2m and m respectively. Surface between B and floor is smooth. The block B is connected to the block C by means of a string pulley system. If the whole system is released, then find the minimum value of mass of block C so that block A remains stationary w.r.t. B. Coefficient of friction between A and B is m :

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A uniform rod of length L and mass M has been placed on a rough horizontal surface. The horizontal force F applied on the rod is such that the rod is just in the state of rest. If the coefficient of friction varies according to the relation m = Kx where K is a +ve constant. Then the tension at mid point of rod is

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A block of mass M on a horizontal smooth surface is pulled by a load of mass M 2 by means of a rope AB and string BC as shown in the figure. The length & mass of the rope AB are L and M 2 respectively. As the block is pulled from AB = L to AB = 0 its acceleration changes from

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Two particles of equal mass have velocities 2 stack i with hat on top m s to the power of negative 1 end exponent text  and  end text 2 stack j with hat on top m s to the power of negative 1 end exponent First particle has an acceleration left parenthesis stack i with hat on top plus stack j with hat on top right parenthesis m s to the power of negative 2 end exponent while the acceleration of the second particle is zero. The centre of mass of the two particles moves in

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The diagram to the right shows the velocity-time graph for two masses R and S that collided elastically. Which of the following statements is true?

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The diagram to the right shows the velocity-time graph for two masses R and S that collided elastically. Which of the following statements is true?

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