Physics
Escape velocity of a body on the surface of earth is 11.2km/sec.If the earth mass increased to twice its present value and radius of the earth becomes half, the escape velocity would become
25
Aug
Escape velocity of a body on the surface of earth is 11.2km/sec.If the earth mass increased to twice its present value and radius of the earth becomes half, the escape velocity would become Escape velocity of a body on the surface of earth is 11.2km/sec.If the earth mass increased to twice its present value and [...]
The escape velocity of a sphere of mass m is given by (G= universal gravitational constant, Me=mass of the earth and Re=radius of the earth)
25
Aug
The escape velocity of a sphere of mass m is given by (G= universal gravitational constant, Me=mass of the earth and Re=radius of the earth) Me=mass of the earth and Re=radius of the earth) The escape velocity of a sphere of mass m is given by (G= universal gravitational constant August 25, 2020 Category: Chapter [...]
Escape velocity on the surface of earth is 11.2 km/s . Another panet of the same mass has radius 1/4 times that of the earth. What is the escape velocity from another planet ?
25
Aug
Escape velocity on the surface of earth is 11.2 km/s . Another panet of the same mass has radius 1/4 times that of the earth. What is the escape velocity from another planet ? Escape velocity on the surface of earth is 11.2 km/s . Another panet of the same mass has radius 1/4 times [...]
A second’s pendulum is mounted in a rocket. Its period of oscillation will decrease when the rocket is:
25
Aug
A second’s pendulum is mounted in a rocket. Its period of oscillation will decrease when the rocket is: A second's pendulum is mounted in a rocket. Its period of oscillation will decrease when the rocket is: August 25, 2020 Category: Chapter 12 - Gravitation , NEET Last 32 Years Solved 1988 - 2019 Physics and [...]
The mean radius of the earth is R, its angular speed about its own axis ω and the acceleration due to gravity at the earth surface is g. what will the radius of the orbit of ‘geostationary satellite’ will be
25
Aug
The mean radius of the earth is R, its angular speed about its own axis ω and the acceleration due to gravity at the earth surface is g. what will the radius of the orbit of ‘geostationary satellite’ will be its angular speed about its own axis ω and the acceleration due to gravity at [...]
A rubber ball is dropped from a height of 5m on a plane, where the acceleration due to gravity is not known. On bouncing it rises to 1.8m. The ball loses its velocity on bouncing by a factor of
25
Aug
A rubber ball is dropped from a height of 5m on a plane, where the acceleration due to gravity is not known. On bouncing it rises to 1.8m. The ball loses its velocity on bouncing by a factor of A rubber ball is dropped from a height of 5m on a plane where the acceleration [...]
The acceleration due to gravity on the planet A is 9 times the acceleration due to gravity on the planet B. A man jumps to a height of 2m on the surface A. What is the height of jump by the same person on the plane B?
25
Aug
The acceleration due to gravity on the planet A is 9 times the acceleration due to gravity on the planet B. A man jumps to a height of 2m on the surface A. What is the height of jump by the same person on the plane B? A couple produces August 25, 2020 Category: Chapter [...]
The density of newly discovered planet is twice that of the earth. The acceleration due to gravity at the surface of the planet is equal to that at the surface of the earth. If the radius of the earth is It the radius of the plane would be
25
Aug
The density of newly discovered planet is twice that of the earth. The acceleration due to gravity at the surface of the planet is equal to that at the surface of the earth. If the radius of the earth is It the radius of the plane would be A couple produces August 25, 2020 Category: [...]
A ring of mass m and radius r rotates about an axis passing through its centre and perpendicular to its plane with angular velocity omega. Its kinetic energy is
25
Aug
A ring of mass m and radius r rotates about an axis passing through its centre and perpendicular to its plane with angular velocity omega. Its kinetic energy is A ring of mass m and radius r rotates about an axis passing through its centre and perpendicular to its plane with angular velocity omega. Its [...]
A fly wheel rotating about a fixed axis has a kinetic energy of 360J. When its angular speed is 30 rad/s. The moment of inertia of the wheel about the axis of rotation is
25
Aug
A fly wheel rotating about a fixed axis has a kinetic energy of 360J. When its angular speed is 30 rad/s. The moment of inertia of the wheel about the axis of rotation is A fly wheel rotating about a fixed axis has a kinetic energy of 360J. When its angular speed is 30 rad/s. [...]