Physics question and answers for May 03, 2024
- Q A uniform rod of mass 2 kg and length rotate in a vertical plane about a fixed horizontal axis through one end The rod begins rotating from rest from its...
- Q X3 ew from Let s now see what our symmetric top looks like from a fixed frame Euler s equations won t help much here because they deal with the...
- Q Column I a Ratio of change in time period of a simple pendulum with temperature to its original time period b Ratio of the value of a length to its...
- Q Two thin discs each of mass M and radius r are attached to form a rigid body The moment of inertia of the system about an axis passing through the...
- Q A uniform rod having length is hinged at one end and is free to rotate in the vertical plane The rod is released from the position making an angle with...
- Q A particle moves in a circle with a uniform speed when it goes from a point A to a diametrically opposite point B the momentum of the particle changes by...
- Q Q 24 A metal coin of mass 5g and radius of 1 cm is fixed to a thin stick AB of negligible mass as shown in the figure The system...
- Q A mass m supported by a massless string wound around a uniform solid cylinder of mass m and radius R If the string does not slip on the cylinder with...
- Q 3 Three identical uniform rods each of length L are joined to form a rigid equilateral triangle as shown in the figure Radius of gyration of this system about an...
- Q The moment of inertia of a uniform semicircular wire of mass mand radius r about an axis passing through its centre of mass and perpendicular to its plane is 1...
- Q Q 3 The circular disk shown rotates in horizontal plane about point O at uniform angular velocity w while O remains fixed Two points A and B are located on...
- Q vi On the flat surface of a disc of radius a a small circular hole of radius b is made with its centre at a distance c from the centre...
- Q The angular speed of a circular hoop is constant and is given by The hoop has a mass M and radius a and is rolling without slipping along the horizontal...
- Q A cubical block of side a moving with velocity a horizontal smooth the plane as shown in figure It hits a ridge at point O and starts rotating about the...
- Q A uniform cylinder of mass 1 kg and radius 2 cm is rotating about its main axis at the rate of 4 rpm The constant torque required to stop it...
- Q 51 A vehicle with a horn of frequency n is moving with a velocity of 30 m s in a direction perpendicular to the straight line joining the observer and...
- Q ng of mass m 1 kg and radius R 1 25 m is kept on a rough horizontal ground A small body of mass m is struck to the top...
- Q whose constant is 1 N m The middle offers a damping force that is numerically equal to twice the speed snapshot of the block The block is initially released from...
- Q 3 2 M I a I b 21 3 Four small spheres each of radius r and mass m are placed with their centres at the four com a square...
- Q mass Example 7 15 A cord of negligible mass is wound round the rim of a fly wheel of 20 kg and radius 20 cm A steady pull of 25...
- Q A rod is bent into the L shape and hinged at O so that it can be rotated about z axis in x y plane as shown in the figure...
- Q A rod of mass M and length L is hinged about 1 one end and a particle of mass M is attached to its other end If it is kept...
- Q 12 A solid paraboloid shaped object is formed by rotating on parabola y 2x about y axis as shown in figure If the height of the body is h then...
- Q A solid sphere of mass M and radius r slips on a rough horizontal plane At some instant it has translational velocity vo and rotati velocity about the centre vo...
- Q A boy is standing on a horizontal massless rotating wheel with his hands stretched Kinetic energy of boy is 120 J If he now folded his hands then M I...
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