Physics
The composition of two simple harmonic motions of equal periods at right angle to each other and with a phase difference of π results in the displacement of the particle along
23
Oct
The composition of two simple harmonic motions of equal periods at right angle to each other and with a phase difference of π results in the displacement of the particle along The composition of two simple harmonic motions of equal periods at right angle to each other and with a phase difference of π results [...]
An elevator starts going up with an acceleration 2 m/s^2. If radius of the wheel attached to the elevator is 0.1 m, then find out number of revolutions in 10 s.
18
Oct
An elevator starts going up with an acceleration 2 m/s^2. If radius of the wheel attached to the elevator is 0.1 m, then find out number of revolutions in 10 s. An elevator starts going up with an acceleration 2 m/s^2. If radius of the wheel attached to the elevator is 0.1 m then find [...]
A communication satellite of 500 kg revolves around the earth in a circular orbit of radius 4.0×10^7 m in the equatorial plane of the earth from west to east. The magnitude of angular momentum of the satellite is
18
Oct
A communication satellite of 500 kg revolves around the earth in a circular orbit of radius 4.0×10^7 m in the equatorial plane of the earth from west to east. The magnitude of angular momentum of the satellite is A sphere of mass 10 kg and radius 0.5 m rotates about a tangent. The moment of [...]
A wheel starts rotating from rest at time t=0 with a angular acceleration of 50 radians/s^2. The angular acceleration (α) decreases to zero value after 5 seconds. During this interval, α varies according to the question α = α0 (1− 5t) The angular velocity at T = 5s will be
18
Oct
A wheel starts rotating from rest at time t=0 with a angular acceleration of 50 radians/s^2. The angular acceleration (α) decreases to zero value after 5 seconds. During this interval, α varies according to the question α = α0 (1− 5t) The angular velocity at T = 5s will be A wheel starts rotating from [...]
A sphere of mass 10 kg and radius 0.5 m rotates about a tangent. The moment of inertia of the sphere is
18
Oct
A sphere of mass 10 kg and radius 0.5 m rotates about a tangent. The moment of inertia of the sphere is A sphere of mass 10 kg and radius 0.5 m rotates about a tangent. The moment of inertia of the sphere is October 18, 2020 Category: AIIMS Last 24 Years Solved 1996 - [...]
Three bodies, a ring, a solid cylinder and a solid sphere roll down the same inclined plane without slipping. They start from rest. The radii of the bodies are identical. Which of the bodies reaches the ground with maximum velocity?
18
Oct
Three bodies, a ring, a solid cylinder and a solid sphere roll down the same inclined plane without slipping. They start from rest. The radii of the bodies are identical. Which of the bodies reaches the ground with maximum velocity? A ring Given V CM = 2 m/s m = 2 kg R = 4 [...]
A child is standing with folded hands at the center of a platform rotating about its central axis. The kinetic energy of the system is K. The child now stretches his arms so that moment of inertia of the system doubles. The kinetic energy of the system now is:
18
Oct
A child is standing with folded hands at the center of a platform rotating about its central axis. The kinetic energy of the system is K. The child now stretches his arms so that moment of inertia of the system doubles. The kinetic energy of the system now is: Given V CM = 2 m/s [...]
Given that force (5i + 7j – 3k) N acts on a particle at position (i + j – k) m. Find torque of this force on the particle about origin.
18
Oct
Given that force (5i + 7j – 3k) N acts on a particle at position (i + j – k) m. Find torque of this force on the particle about origin. Given that force (5i + 7j - 3k) N acts on a particle at position (i + j - k) m. Find torque of [...]
A solid cylinder, a circular disc, a solid sphere and a hollow cylinder of the same radius are placed on an inclined plane. Which of the following will have maximum acceleration at the bottom of the plane?
18
Oct
A solid cylinder, a circular disc, a solid sphere and a hollow cylinder of the same radius are placed on an inclined plane. Which of the following will have maximum acceleration at the bottom of the plane? a circular disc a solid cylinder a solid sphere and a hollow cylinder of the same radius are [...]
The radius of gyration of a thin uniform circular disc (of radius R) about an axis passing through its centre and lying in its plane is
18
Oct
The radius of gyration of a thin uniform circular disc (of radius R) about an axis passing through its centre and lying in its plane is The radius of gyration of a thin uniform circular disc (of radius R) about an axis passing through its centre and lying in its plane is October 18, 2020 [...]