Question Answers
Sahay Sir > Question Answers
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 [...]
Tags:
(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 [...]
As seen in figure, two spheres of M mass m and a third sphere of mass M form an equilateral triangle, and a fourth sphere of mass m. is at the center of the triangle. The net gravitational force on that central sphere from the three other spheres is zero. (a) What is Min terms of m? (b) If we double the value of m, what then is the magnitude of the net gravitational force on the central sphere?
02
Oct
As seen in figure, two spheres of M mass m and a third sphere of mass M form an equilateral triangle, and a fourth sphere of mass m. is at the center of the triangle. The net gravitational force on that central sphere from the three other spheres is zero. (a) What is Min terms [...]
Tags:
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 ,
As seen in figure ,
side by side ,
two spheres of M mass m and a third sphere of mass M form an equilateral triangle ,
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 solid sphere of mass m and radius r is placed inside as hollow thin spherical shell of mass and M and radius R as shown in figure. A particle of mas m is placed on tehline joining the tow centres ast a distance x from the point of contct of th sphere and teh shell. Findn teh mgnitude fo the resultant gravitational force on this particle due to the sphere and the shell if a.) r<x<2r, b.)2r<x2 R.
02
Oct
A solid sphere of mass m and radius r is placed inside as hollow thin spherical shell of mass and M and radius R as shown in figure. A particle of mas m is placed on tehline joining the tow centres ast a distance x from the point of contct of th sphere and teh [...]
If a planet moving in a circular path having time period of revolution T is suddenly stopped, after what time it will collapse on to the sun ?
02
Oct
If a planet moving in a circular path having time period of revolution T is suddenly stopped, after what time it will collapse on to the sun ? after what time it will collapse on to the sun ? If a planet moving in a circular path having time period of revolution T is suddenly [...]
Find the ratio of time period of revolution of the planets 1 and 2.
02
Oct
Find the ratio of time period of revolution of the planets 1 and 2. Find the ratio of time period of revolution of the planets 1 and 2. October 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Find the ratio of (a) velocities (b) KE (c) areal velocities at 1 and 2.
02
Oct
Find the ratio of (a) velocities (b) KE (c) areal velocities at 1 and 2. Find the ratio of (a) velocities (b) KE (c) areal velocities at 1 and 2. October 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A planet sweeps areas A and 2 A during a small time intervals delta t1 and delta t2 respectively. Find delta t1 / delta t2.
02
Oct
A planet sweeps areas A and 2 A during a small time intervals delta t1 and delta t2 respectively. Find delta t1 / delta t2. A planet sweeps areas A and 2 A during a small time intervals delta t1 and delta t2 respectively. Find delta t1 / delta t2. October 2, 2020 Category: Uncategorised [...]
A ring and a disc are initially at rest, side by side, at the top of an inclined plane which makes an angle 60 o with the horizontal. They start to roll without slipping at the same instant of time along the shortest path. If the time difference between their reaching the ground is ( 2 – root 3) / 10 , then the height of the top of the inclined plane, in meters. is ________. Take g = 10 m/s^2 .
02
Oct
A ring and a disc are initially at rest, side by side, at the top of an inclined plane which makes an angle 60 o with the horizontal. They start to roll without slipping at the same instant of time along the shortest path. If the time difference between their reaching the ground is ( [...]