Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Where will you weigh more and why: (a) 2 km above the surface of earth or (b) 2 km below the surface of earth?
02
Oct
Where will you weigh more and why: (a) 2 km above the surface of earth or (b) 2 km below the surface of earth? Where will you weigh more and why: (a) 2 km above the surface of earth or (b) 2 km below the surface of earth? October 2, 2020 Category: Uncategorised (JEE Advanced [...]
Two spheres of masses 64 kg and 289 kg are placed a distance 10 m apart . Find the position of a point on the line joining the centres of the two spheres, where the gravitional field is zero.
02
Oct
Two spheres of masses 64 kg and 289 kg are placed a distance 10 m apart . Find the position of a point on the line joining the centres of the two spheres, where the gravitional field is zero. Two spheres of masses 64 kg and 289 kg are placed a distance 10 m apart [...]
A particle is released from rest from the pioint A. Find its accelerations, velocities at B and C, if the particle moves under the gravity of thin spherical shell of mass M and radius R.
02
Oct
A particle is released from rest from the pioint A. Find its accelerations, velocities at B and C, if the particle moves under the gravity of thin spherical shell of mass M and radius R. A particle is released from rest from the pioint A. Find its accelerations if the particle moves under the gravity [...]
Two lead balls of mass m and 2 m are placed at a separation d. A third ball of mass m is placed at an unknown location on the line joining the first two balls such that the net gravitational force experienced by the first ball is 6 Gm^2/2 d^2 . What is the location of the third ball?
02
Oct
Two lead balls of mass m and 2 m are placed at a separation d. A third ball of mass m is placed at an unknown location on the line joining the first two balls such that the net gravitational force experienced by the first ball is 6 Gm^2/2 d^2 . What is the location [...]
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A particle of mass m is moving along the side of a square of side 'a' ,
A ring and a disc are initially at rest ,
Figure shows a hallow sphere inside a lead sphere of radius R ,
side by side ,
with a uniform speed v in the x-y plane as shown in the figure. Which of the following statements is false for the angular momentum L about the origin? ,
Three identical point masses m each are kept at the vertices A, B, and C of a cube having side length ‘a’ (see figure). Another identical mass is placed at the center point D of the cube. (a) Where will you place a fifth identical mass so that the net gravitational force acting on mass at D becomes zero? (b) Calculate the net gravitational force acting on the mass at D.
02
Oct
Three identical point masses m each are kept at the vertices A, B, and C of a cube having side length ‘a’ (see figure). Another identical mass is placed at the center point D of the cube. (a) Where will you place a fifth identical mass so that the net gravitational force acting on mass [...]
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A particle of mass m is moving along the side of a square of side 'a' ,
A ring and a disc are initially at rest ,
B ,
side by side ,
Three identical point masses m each are kept at the vertices A ,
with a uniform speed v in the x-y plane as shown in the figure. Which of the following statements is false for the angular momentum L about the origin? ,
A binary system consists of two stars that revolve in a circular orbit about a center of mass midway between them . This statement implies that the masses of the two stars are equal (fig.) Assume teh orbitial speed of each speed of each star is v = 200 km/s and the orbital period of each is 20 days. Find the mass M of each star.
02
Oct
A binary system consists of two stars that revolve in a circular orbit about a center of mass midway between them . This statement implies that the masses of the two stars are equal (fig.) Assume teh orbitial speed of each speed of each star is v = 200 km/s and the orbital period of [...]
A thin rod of mass M and length L is bent in a semicircle as shown in figure (a). What is its gravitational force (both magnitude and direction) on a particle with mass m at O the centre of curvature ? (b) what would be the force on m if the rod is in the form of complete circle?
02
Oct
A thin rod of mass M and length L is bent in a semicircle as shown in figure (a). What is its gravitational force (both magnitude and direction) on a particle with mass m at O the centre of curvature ? (b) what would be the force on m if the rod is in the [...]
Two planets X and Y travel counter clockwise in circular oribits about a star as shown in fig. The radii of their orbits are in the ratio 3 : 1 At one moment, they are aligned as shown in the figure, (a) making a straight line with the star. During the next five years, the angular displacement of planet X is 90 degree as shown in fig. (b) . What is the angular displacement of planet Y at this moment ?
02
Oct
Two planets X and Y travel counter clockwise in circular oribits about a star as shown in fig. The radii of their orbits are in the ratio 3 : 1 At one moment, they are aligned as shown in the figure, (a) making a straight line with the star. During the next five years, the [...]
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(a) making a straight line with the star. During the next five years ,
the angular displacement of planet X is 90 degree as shown in fig. (b) . What is the angular displacement of planet Y at this moment ? ,
they are aligned as shown in the figure ,
Two planets X and Y travel counter clockwise in circular oribits about a star as shown in fig. The radii of their orbits are in the ratio 3 : 1 At one moment ,
Three identical particles, each of mass m, are located in space at the vertices of an equilateral triangle of side length a. They are revolving in a circular orbital under mutual gravitational attraction. Find the speed of each particle.
02
Oct
Three identical particles, each of mass m, are located in space at the vertices of an equilateral triangle of side length a. They are revolving in a circular orbital under mutual gravitational attraction. Find the speed of each particle. are located in space at the vertices of an equilateral triangle of side length a. They [...]
A particle of mass m moves along a straight line with constant velocity v0 in the x direction at a distance b from the axis ( figure.)
02
Oct
A particle of mass m moves along a straight line with constant velocity v0 in the x direction at a distance b from the axis ( figure.) A particle of mass m moves along a straight line with constant velocity v0 in the x direction at a distance b from the axis ( figure.) October [...]