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A string is wrapped around a cylinder of mass M and radius R. The string is pulled vertically upwards to prevent the centre of mass from falling as the cylinder unwinds the string. Find the tension in the string.
27
Nov
A string is wrapped around a cylinder of mass M and radius R. The string is pulled vertically upwards to prevent the centre of mass from falling as the cylinder unwinds the string. Find the tension in the string. then the initial angular acceleration of the board is: (Neglect weight of board) thereby destroying balance [...]
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then the initial angular acceleration of the board is: (Neglect weight of board) ,
thereby destroying balance ,
Three children are sitting on a see-saw in such a way that it is balanced. A 20kg and a 30kg boy are on opposite sides at a distance of 2m from the pivot. If the third boy jumps off ,
A sphere has to purely roll upwards. At an instant when the velocity of sphere is v, frictional force acting on it is
27
Nov
A sphere has to purely roll upwards. At an instant when the velocity of sphere is v, frictional force acting on it is A sphere has to purely roll upwards. At an instant when the velocity of sphere is v frictional force acting on it is November 27, 2020 Category: Cengage JEE Mains Physics by [...]
A body of mass x kg is moving with a velocity of 100 m/s, its de – Broglie wavelength is 6.62 x 10^-35 m. Hence x is
27
Nov
A body of mass x kg is moving with a velocity of 100 m/s, its de – Broglie wavelength is 6.62 x 10^-35 m. Hence x is A body of mass x kg is moving with a velocity of 100 m/s its de - Broglie wavelength is 6.62 x 10^-35 m. Hence x is November [...]
Which of the following expressions gives the de – Broglie relationship
27
Nov
Which of the following expressions gives the de – Broglie relationship Which of the following expressions gives the de - Broglie relationship November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A cricket ball of 0.5 kg is moving with a velocity of 100 m/sec. The wavelength associated with its motion is
27
Nov
A cricket ball of 0.5 kg is moving with a velocity of 100 m/sec. The wavelength associated with its motion is A cricket ball of 0.5 kg is moving with a velocity of 100 m/sec. The wavelength associated with its motion is November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
In Fig. the velocities are in ground frame and the cylinder is performing pure rolling on the plank, velocity of point ‘A’ would be
27
Nov
In Fig. the velocities are in ground frame and the cylinder is performing pure rolling on the plank, velocity of point ‘A’ would be In Fig. the velocities are in ground frame and the cylinder is performing pure rolling on the plank velocity of point 'A' would be November 27, 2020 Category: Cengage JEE Mains [...]
wo bodies with moments of inertia I1 and I2 (I1>I2) have equal angular momenta. If their kinetic energies of rotation are E1 and E2 respectively, then.
27
Nov
wo bodies with moments of inertia I1 and I2 (I1>I2) have equal angular momenta. If their kinetic energies of rotation are E1 and E2 respectively, then. then wo bodies with moments of inertia I1 and I2 (I1>I2) have equal angular momenta. If their kinetic energies of rotation are E1 and E2 respectively November 27, 2020 [...]
In the figure, s sphere of radius 2m rolls on a plank. The accelerations of the sphere and the plank are indicated. The value of α is
27
Nov
In the figure, s sphere of radius 2m rolls on a plank. The accelerations of the sphere and the plank are indicated. The value of α is
The wave nature of an electron was first given by (a) de – Broglie (b) Heisenberg (c) Mosley (d) sommerfield
27
Nov
The wave nature of an electron was first given by (a) de – Broglie (b) Heisenberg (c) Mosley (d) sommerfield The wave nature of an electron was first given by (a) de - Broglie (b) Heisenberg (c) Mosley (d) sommerfield November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Rain is falling vertically with a speed of 30ms^−1 . A woman rides a bicycle with a speed of 10ms^−1 in the north to south direction. What is the direction in which she should hold her umbrella ?
27
Nov
Rain is falling vertically with a speed of 30ms^−1 . A woman rides a bicycle with a speed of 10ms^−1 in the north to south direction. What is the direction in which she should hold her umbrella ? Rain is falling vertically with a speed of 30ms^−1 . A woman rides a bicycle with a [...]