Physics question and answers for May 27, 2024
- Q A particle of mass m is attached to a thin uniform rod of length a and mass 4m The distance of the particle from the center of mass of the...
- Q The Lagrangian of a particle moving in a plane under the influence of a central potential is given by 2 L m p 8 V r The generalized momenta corresponding...
- Q 67 Two solid spheres each of radius R and mass m are initially at rest with respect to a stationary reference frame S The initial separation between the spheres is...
- Q A satellite of mass m moves along an elliptical path around earth Its areal velocity is 1 Directly proportional to its mass 2 Inversely proportional to its mass 3 Independent...
- Q 8 If linear mass density of a rod of length 3 m varies as 2 x2 then the position of the centre of mass of the rod is w r...
- Q understood how to solve it but why cant we use tota hange in momentum total time to calculate avg torque tried it that way but ans was wrong An automobile...
- Q 7 A man of mass 50 kg is standing on a plank of mass 150 kg placed on a horizontal smooth floor If the man walks from end A to...
- Q A billiard ball moving at a speed 2m s strikes an identical ball initially at rest at a glancing blow After the collision one ball is found to be moving...
- Q c 4 5 R d 7 5 R Distance of the centre of mass of a solid uniform cone fro its vertex is zo If the radius of its base...
- Q The figure shows the positions and velocities of two particles If the particles move under the mutual attraction of each other then the position of centre of mass at t...
- Q Consider a gravity free hall in which a tray of mass M carrying a cubical block of ice of mass m and edge L is at rest in the middle...
- Q A simple pendulum is suspended vertically from the ceiling of a car If the car is moving with an acceleration of 0 49 m sec the string of the simple...
- Q An object comprises K two small identical disc as shown Which of the following can not be the centre of mass of the object RR 3 3 RR 3 2...
- Q A girl of mass 60 kg jumps with the horizontal velocity of 10ms1 onto a stationary cart with frictionless wheels The mass of the cart is 5kg What is her...
- Q Two bodies of masses 3kg and 9kg are moving with velocities 30 m s and 10 m s respectively along same direction collide with each other After collision they stick...
- Q Problem 83 A smooth semicircular wire track of radius R is fixed in a vertical plane One end of a massless spring of natural length 3R 4 is attached to...
- Q A semicircular wedge of mass M is placed on a horizontal floor A man of mass m starts moving on the wedge from position A with constant speed v relative...
- Q A skater of mass m is standing on ice throws a 6 stone of mass 2 m with a velocity v 5 ms in horizontal direction If the coefficient of...
- Q A rod of mass 2m and length L is resting on a smooth horizontal table Two identical particles each of mass m moving horizontally each with a velocity v strike...
- Q Three identical balls are connected by light inextensible strings with each other as shown and placed over a smooth horizontal table Length of each string is 1 At moment t...
- Q ALLEN A particle of mass m collides head on with 19 another stationary particle of mass M such that the second particle starts moving and the first particle comes to...
- Q ALLEN 6 A mass of 10 gm moving horizontally with a velocity of 100 cm sec strikes the bob of a pendulum and sticks to it The mass of the...
- Q ALLEN A uniform wire of length is bent into the shape 5 of V as shown The distance of its centre of mass from the vertex A is 1 8...
- Q A body of mass m falls from a height h on 8 ground If it collides inelastically so that coefficient of restitution is e then the loss of energy in...
- Q A bullet weighing 10 gin and moving at 300 m s strikes a 5 kg ice block and drops dead The ice block is resting on a frictionless level surface...
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