Physics question and answers for May 25, 2024
- Q A block of mass 0 9 kg attached to a spring of force constant k is lying on a frictionless floor The spring is compressed to 2 cm and the...
- Q A thin wire is bent in form of a helix of radius R and height H The pitch of helix is H 2 and mass pe unit length of wire...
- Q Block A in the figure has mass 1 00 kg and block B has mass 3 00 kg The blocks are forced together compressing a spring S between them then...
- Q A point object is at 30 cm from a conve lens 3 2 of focal length 20 cm The fin image of object will be at infinity if 1 another...
- Q Four particles of masses m m m and m are placed at the vertices A B C and D as respectively of a square shown The COM of the system...
- Q 41 A man of mass M stands at one end of a plank of length L which lies at rest on a frictionless horizontal surface The man walks to the...
- Q A smooth narrow semicircular tube in vertical plane contains a small ball of mass m at its top as shown System is initially at rest and now ball is slightly...
- Q In the arrangement shown in figure pulley A and B are massless and the thread is inextensible Mass of pulley C is equal to m If friction in all the...
- Q A small wooden box of mass m 1 50 kg and initial speed v 5 00 m s collides head on with a large metal block of mass m2 12...
- Q A 500 g ball is released from a height of 4 m Each time it makes contact with the ground it loses 25 of its energy Find the KE it...
- Q 20 From a circular disc of radius R a square is cut out with a radius as its diagonal The distance of the centre of mass of the remainder from...
- Q 22 A bullet is fired from a gun The force on the bullet is given by F 600 2 x 105 t Here F is in newton and t in...
- Q 49 Seven particles are placed at the seven corners of a cube of side a except at origin The mass of each particle is m The centre of mass of...
- Q 44 An infinite number of bricks are placed one over the other as shown in the figure Each succeeding brick having half the length and breadth of its preceding brick...
- Q 23 A uniform rod of length I is kept vertically on a rough horizontal surface at x O It is rotated slightly and released When the rod finally falls on...
- Q 42 A smooth sphere is moving on a horizontal surface with velocity vector 2 i 2 jimmediately before it hits a vertical wall The wall is parallel to j vector...
- Q 47 A block of mass M with a semicircular track of radius R rests on a horizontal frictionless surface A uniform cylinder of radius r and mass m is released...
- Q 34 A ball of mass m collides on ground at an angle a with the vertical If the collision lasts for time t the average force exerted by the ground...
- Q 51 A body of mass m is dropped from a height of h Simultaneously another body of mass 2m is thrown up vertically with such a velocity v that they...
- Q 45 A bullet of mass m moving vertically upwards with a velocity u hits the hanging block of mass m and gets embedded in it The height through which block...
- Q 42 Displacement time graph of a particle moving in a straight line is as shown in figure 10 Mass of the particle is 2 kg The total impulse O imparted...
- Q 33 A bullet of mass m moving with velocity u passes through a wooden block of mass M nm The block is resting on a smooth horizontal floor After passing...
- Q 41 A ball collides at B with velocity 10 m s at 30 with vertical There is a flag at A and a wall at C Collision of ball with...
- Q A binary star consists of two stars A mass 2 2 Ms and B mass 11 Ms where Ms is the mass of the sun They are separated by distance...
- Q de with elastic ht h 4 song och LEI 9 A force exerts an impulse I on a particle changing its speed from u to 2u The applied force and...
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