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A solid right circular cylinder of weight 10 kg and cross-sectional area 100 cm^2 is suspended by a spring, where k = 1 kg/cm, and hangs partially submerged in water of density
31
Oct
A solid right circular cylinder of weight 10 kg and cross-sectional area 100 cm^2 is suspended by a spring, where k = 1 kg/cm, and hangs partially submerged in water of density A solid right circular cylinder of weight 10 kg and cross-sectional area 100 cm^2 is suspended by a spring and hangs partially submerged [...]
The velocity v of a particle of mass m moving along a straight line changes with time t as d^2v/dt^2 = -Kv where K is a positive constant. Which of the following statements is correct ?
31
Oct
The velocity v of a particle of mass m moving along a straight line changes with time t as d^2v/dt^2 = -Kv where K is a positive constant. Which of the following statements is correct ? The velocity v of a particle of mass m moving along a straight line changes with time t as [...]
A uniform stick of mass M and length L is pivoted at its centre. Its ends are tied to two springs each of force constant K. In the position shown in figure, the springs are in their
31
Oct
A uniform stick of mass M and length L is pivoted at its centre. Its ends are tied to two springs each of force constant K. In the position shown in figure, the springs are in their A uniform stick of mass M and length L is pivoted at its centre. Its ends are tied [...]
Consider two concentric spherical surfaces S1 with radius a and S2 with radius 2a, both centered at the origin. There is a charge +q at the origin and there are no other charges. Compare the flux ϕ1 through S1 with the flux ϕ2 through S2.
31
Oct
Consider two concentric spherical surfaces S1 with radius a and S2 with radius 2a, both centered at the origin. There is a charge +q at the origin and there are no other charges. Compare the flux ϕ1 through S1 with the flux ϕ2 through S2. both centered at the origin. There is a charge +q [...]
A street car moves rectilinearly from station A (here car stops) to the next station B (here also car stops) with an acceleration varying according to the law f = a – bx, where a and b
31
Oct
A street car moves rectilinearly from station A (here car stops) to the next station B (here also car stops) with an acceleration varying according to the law f = a – bx, where a and b A street car moves rectilinearly from station A (here car stops) to the next station B (here also [...]
The electric flux from a cube of edge l is phie. If an edge of the cube is made 2 l and the charge enclosed is halved, its value will be
31
Oct
The electric flux from a cube of edge l is phie. If an edge of the cube is made 2 l and the charge enclosed is halved, its value will be its value will be The electric flux from a cube of edge l is phie. If an edge of the cube is made 2 [...]
One end of a spring of force constant K is fixed to a vertical wall and the other to a body of mass m resting on a smooth horizontal surface. There is another wall at a distance x0
31
Oct
One end of a spring of force constant K is fixed to a vertical wall and the other to a body of mass m resting on a smooth horizontal surface. There is another wall at a distance x0 One end of a spring of force constant K is fixed to a vertical wall and the [...]
A simple pendulum of length l and a mass m of the bob is suspended in a car that is travelling with a constant speed v around a circle of radius R. If the pendulum undergoes small
31
Oct
A simple pendulum of length l and a mass m of the bob is suspended in a car that is travelling with a constant speed v around a circle of radius R. If the pendulum undergoes small A simple pendulum of length l and a mass m of the bob is suspended in a car [...]
A thin metallic spherical shell contains a charge Q on its surface. A point charge q 1 is placed at the centre of the shell and another charge q 2 is placed outside the shell. All the three charges are positive. Then, the force on charge q 1 is
31
Oct
A thin metallic spherical shell contains a charge Q on its surface. A point charge q 1 is placed at the centre of the shell and another charge q 2 is placed outside the shell. All the three charges are positive. Then, the force on charge q 1 is If the flux [...]
Charge on an originally uncharged conductor is separated by holding a positively charged rod very closely nearby, as shown in figure. Assume that the induced negative charge on the conductor is equal to the positive charge q on the rod. Then the flux through surface S1 is
31
Oct
Charge on an originally uncharged conductor is separated by holding a positively charged rod very closely nearby, as shown in figure. Assume that the induced negative charge on the conductor is equal to the positive charge q on the rod. Then the flux through surface S1 is as shown in figure. Assume that the induced [...]