Physics question and answers for April 30, 2024
- Q 5 A uniform cylinder has a radius R and length L If the moment of inertia of this cylinder about an axis passing through its center and normal to its...
- Q Four particles each of mass m are placed at the corners of a square of side length l The radius of gyration of the system about an axis perpendicular to...
- Q The diagram shows a uniform disc of mass M radius a If the moment of inertia of the disc about the axis XY is I its moment of inertia about...
- Q 1 Three point masses each of mass m are placed at corners of an equilateral triangle of side L The moment of inertia of this system about an axis along...
- Q 36 A galvanometer together with an unknown resistance in series is connected across two identical batteries each of 1 5 V When the batteries are connected in series the galvanometer...
- Q Point masses m and m are placed at the opposite ends of a rigid rod of length L and negligible mass The rod is to be set rotating about an...
- Q A uniform disc of radius 4R has a circular cavity of radius R as shown The surface mass density of the disc is o The disc is held vertically on...
- Q 30 A wheel of radius R with an axle of radius R 2 is shown in the figure and is free to rotate about a frictionless axis through its centre...
- Q 97 A solid sphere rolls without slipping first horizontal and then up to a point X at height h on an inclined plane before rolling down as shown The initial...
- Q A disc of radius R is rolling without slipping on a floor as shown in the figure If velocity of its centre of mass is vo then velocity of point...
- Q 17 Four identical rods are joined end to end to form a square The mass of each rod is M The moment of inertia of the square about the median...
- Q uniform disc of radius R and mass M a 12 From square plate is removed as shown in figure The moment of inertia of remaining body about an axis passing...
- Q 9 An object is made by removing a D shaped chunk from a cylinder of radius R m is the mass of the object and the object is kept on...
- Q A ceiling fan of moment of inertia 30 kgm rotates about its own axis at a speed of 120 r p m under the action of an electric power 62...
- Q CONS 99 A solid circular shaft of diameter d and length L is subjected to a uniformly distributed load of intensity w throghout its length while its two ends are...
- Q How long does it take for a disc to roll down an inclined plane of length 10m without slipping The inclination of the plane is 30 Take g 9 8ms...
- Q 60 ABC is a right angled triangular plate of uniform thickness The sides are such that AB BC as shown in figure I I2 and 13 are moments of inertia...
- Q A train 1 moves from east to west clockwise and another train 2 moves from west to east anticlockwise on the equator with equal speeds relative to ground The ratio...
- Q 243 Two solid rods labeled A and B have the same mass but lengths 3L and 4L If they rotate about their centers with the same angular frequen of the...
- Q A force F Mg is applied on the top of a circular ring of mass M and radius R kept on a rough horizontal surface If the ring rolls without...
- Q 0 9 6 ring of radius 2r the mass remaining the same If a disc of mass m and radius r is reshaped into a radius of gyration about centroidal...
- Q A horizontal force F is applied at the top of an equilateral triangular block having mass m The minimum coefficient of friction required to topple the block before translation will...
- Q 15 A uniform wire frame of linear mass density having three sides each of length 2a is kept on a smooth horizontal surface An impulse J is applied at one...
- Q An unmanned space probe of mass m and speed v 2 km s relative to the Sun approaches the planet Jupiter of mass M m and speed V relative to...
- Q The uniform cubical slab of side a is released from rest in the position shown in the figure For what value of x is the angular acceleration maximum friction between...
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