Physics question and answers for May 26, 2024
- Q 2 Three identical thin rods each of mass m and length are joined to form an equilateral triangular frame The moment of inertia of the frame about an axis parallel...
- Q 5 The centre of mass of a non uniform rod of length L whose k x mass per unit length a varies as where k is a L constant and...
- Q 6m s Iron block 2 5kg 2 5m s magnetic block 1 2 m s 2 4 25 m s BEO 5 mic 3 6kg In the above situation two...
- Q A man of mass M walks on a plank of mass 2M and length L Horizontal surface is smooth When the man reaches the other en of the plank he...
- Q Two particles of masses 100 gm and 300 gm have at a given time velocities 101 71 3k 71 91 6k cm respectively Then velocity of centre of mass of...
- Q 9 A bullet of mass m moving with velocity vo k strikes the bottom of a stationary vertical uniform ring of same mass m and radius R 1m The ring...
- Q Q 35 Which of the following is not an application of conservation of linear momentum a While firing a bullet the gun must be held tight to the shoulder b...
- Q Online Mock Test Series for NEET 2020 10 A man of mass m stands at one end of a plank of length L which lies at rest on a frictionless...
- Q 9 In gravity free space a small ball is placed at the centre of a box of the same mass The ball and the box both are moving with a...
- Q A particle is thrown with velocity 20 2 m s as shown in figure It collides with inclined wall elastically and falls on ground at a point the x coordinate...
- Q D connected by means of a pulley spring system on a smooth inclined plane of inclination as shown in the figure All the pulleys and spring are ideal Now B...
- Q 48 Particle A makes a perfectly elastic collision with another particle B at rest They fly apart in opposite direction with equal speeds If their masses are m m respectively...
- Q 2 Select the false statement 1 In elastic collision KE is not conserved during the collision 2 The coefficient of restitution for a collision between two steel balls lies between...
- Q A bullet is fired from a gun The force on the bullet is given by F 600 2 10 t Where F is in newton and t in second The...
- Q A wedge of mass M rests on a smooth horizontal floor A block of mass m is kept on with a horizontal velocity v The height reached by the block...
- Q 0 Four particles of masses m m m3 and m4 are placed at the M2 M3 vertices A B C and D as respectively of a square shown The COM...
- Q 12 A rod of length 7 and mass m rotates about end A in vertical plane as shown Magnitude of normal reaction by the hinge at A is zoge A...
- Q A particle of mass m moving eastward with a speed v collides with another particle of the same mass moving northwards with same speed v The two particles coalesce on...
- Q A bullet of mass m moving horizontally with speed u meets a block of wood of mass M travelling along the same line but in the opposite direction with speed...
- Q A non uniform bar of mass m is hung horizontally between two walls using two light ropes attached to the ends One of the ropes makes an angle 0 36...
- Q A ball of mass 3kg and radius 3cm moving with velocity of 10m s collides obliquely with another ball of mass 2kg radius 2 cm kept at rest The impact...
- Q A thin uniform rod pivoted at O is rotating in the horizontal plane with constant angular speedo as shown in figure A time t 0 a small insect starts from...
- Q A spherical water balloon is revolving at 60 rpm In the course of time 48 8 of its wa leaks out With what frequency will the remaining balloon revolve now...
- Q 1 A uniform semi circular disc of mass M and radius R lies in the X Y plane with its centre at the origin as shown in figure Also axis...
- Q A particle of mass 4 kg starts to motion from rest with a constant acceleration 1 m s In the system there is another particle of same mass which is...
- Q particle of mass m 2 kg is projected along X axis with velocity V 5 ms It is acted on by a variable orce acting along Y axis as shown...
- Q er Type Questions 10 Two point like objects of masses M and 4 M separated by distance 5r are freely released If they move under mutual gravitational force of attraction...
- Q A cone of mass m and height H is completely filled with a liquid of same mass The height of centre of mass of the syster the base is OH...
- Q Two identical dumb bells move towards each other on a horizontal smooth plane without having any angular speed as shown in the figure Each can be considered as two point...
- Q A chain lying on an absolutely smooth table half of it hanging over the edge of the table as shown in figure a The time it takes to slip off...
- Q A rigid body consists of 3 particles of masses 3 units 5 units and 2 units located at the points the points 1 0 1 2 1 3 and 2...
- Q 4 A 4 XA 4x 4 compartment The track is frictionless The centre of 15 There are some passengers inside a stationary railway 15 79361 42 340 fam of the...
- Q 4 A light rod of length has point masses m and m attached to its 2 ends The moment of inertia of the system about an axis perpendicular to the...
- Q on the line joining the particles 4 none of the above 3 A particle of mass 3m is projected from the ground at some angle with horizontal The horizontal range...
- Q www princeeduhub com 12 A bomb initially at rest explodes by it self into three 12 equal mass fragments The velocities of two fragments are 3 1 2 m s...
- Q A metal ball hits a wall and does not rebound 25 whereas a rubber ball of the same mass on hitting the wall the same velocity rebounds back It can...
- Q low sphere 9 Two spheres A and B of masses m and m respectively collide A is at rest initially and B is moving with velocity v along x axis...
- Q Test 1 Code A A ball collides with horizontal smooth ground with a speed of 30 m s Coefficient of restitution Magnitude of velocity of ball after collision is 642...
- Q turning to the tational force 2011 Pre ts the earth ojected m rest and Or 39 A ball moving with velocity 2 m s collides head with another stationary ball...
- Q A person of mass mis standing on one end of a plank of mass M and length L and floating in water The person moves from one end to another...
- Q Four identical spheres each of radius a are placed on a horizontal table touching one another so that their centre lie at the corner of a square of side 2a...
- Q In a gravity free room a man of mass m is standing at a height h above the floor He throws a ball of mass m vertically downward with a...
- Q al Exam HW September 26 2021 Problem 8 A small particle with positive charge q 3 75 x 10 C and mass m 7 00 x 105 kg is moving...
- Q A wedge with a mass of 10 kg is at rest on a horizontal frictionless surface A block with a mass of 5 0 kg is placed on top and...
- Q A father 60 kg and his daughter 20 kg are both at rest on a frictionless ice pond The father lifts a 1 kg ball and throws it to his...
- Q A ball of mass m approaches a wall of mass M m with speed 4 m s along the normal to the wall The speed of wall is 1 m...
- Q An elevator platform is going up at speed of 20 m sand during its upwards motion a small ball of mass 5 g falling in downward direction strikes the platform...
- Q A 50 kg man stands on a 150 kg cart whic moves horizontally with speed 3 m s on a smoot floor The man jumps horizontally on to anothe stationary...
- Q An elevator platform is going up at speed of 20 m s during its upwards motion a small ball of mass 5 g falling in downward direction strikes the platform...
- Q 00 A ball falls vertically on to a floor with momentum p and then bounces repeatedly the coefficient of restitution is e The total momentum imparted by the ball to...
- Q 3 In a Youngs double slit experiment the width of one of the slit is three times the other slit The amplitude of the light coming from a slit is...
- Q same mass and radius are reported as I M L of thin circular ring about its diameter 12 M I of circula to disc an Screenshot Captured perpendicu 13 M...
- Q A non conducting solid sphere of mass m and radius R having uniform charge density p and p as shown in figure It is then placed on a rough non...
- Q On to a sphere of radius R 2 and density p2 with centre at C2 a second solid sphere is moulded with density p radius R and centre C Find...
- Q There particles are located at coordinates x y as follow m1 1 0 kg is at 1 0 m2 1 0 kg is at 2 0 and m3 2 0...
- Q A bomb moving in certain direction suddenly explodes into three identical pieces which fly off with equal speed Two of the three pieces go in the same direction while the...
- Q An empty cylindrical beaker of mass m and radius r and negligible thickness has its centre of gravity at height h above its base To what depth should it be...
- Q An impulse of I30N sec is given at t 0 to 3 kg block attached with 2 block with the help spring in natural length Initially the system is at...
- Q House Hot 4 Two objects of masses m 200 gm and m 500 gm possess velocities v 101 m sec and v 3i 51 m sec just prior to a...
- Q 32 A body of mass 8 kg is hanging from another body of mass 12 kg The combination is being pulled up by a string with an acceleration of 2...
- Q A particle of mass m moving with horizontal speed 6m s as shown in figure If m M then for one dimensional elastic collision the speed of lighter particle after...
- Q Two blocks A and B of masses 1 kg and 2 kg connected by light spring are placed on a rough horizontal plane as shown in the figure The coefficient...
- Q 2 Five faces of a homogeneous cube of mass m 4 0 g are painted in white reflects all wavelengths and one face in black absorbs as well as radiates...
- Q A chain of length is placed on a smooth whose some part is horizontal and some part is on quarter circular of radius R in the vertical plane as shown...
- Q Two elastic balls of masses m and m are placed on top of each other with a small gap between them and then dropped onto the ground What is the...
- Q Two skaters initially at rest are 5 m apart They each have one end of a single rope and each pull on the rope with a force of 50 N...
- Q A particle of mass m intially at rest is acted upon by a variable force F for a brief interval of time T It begins to move with a velocity...
- Q 4 73 A block of mass 2 kg moving at 2 m s collides head on with another block of equal mass kept at rest a Find the maximum possible...
- Q ts 4 61 Two balls of equal mass moving in opposite direction have a head on collision with speed 6 m s If the coefficient of restitution is 1 3...
- Q and m2 4 50 Two particles of masses m in projectile motion have velocities and 2 respectively at time t 0 They collide at time to Their velocities become and...
- Q A smooth sphere of mass 1 kg is tied to a fixed point by an inextensible string and suspended from the roof Another identical sphere impinges directly on it with...
- Q Q 23 A ball of mass m 20 kg released from height h 10m falls on the Earth s surface The speed of the Earth when the ball reaches on...
- Q person holding a rifle mass of person and rifle together is 100 kg stands on a smooth surface and fires 10 shots horizontally in 5 s Each bullet has a...
- Q A solid cone is mounted on a solid cylinder of height h both made up of same material If the position of CM of combined system be at a distance...
- Q A slender rod of length 6m forming an angle 60 with horizontal strikes a frictionless at A with its C M s velocity 7 m sec vertically down and no...
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