Physics question and answers for May 27, 2024
- Q COMPREHI A pendulum bob has mass m The length of pendulum is It is initially at rest A particle P of mass m 2 moving horizontally along ve x direction...
- Q Two triangular plates of surface mass density o and 0 are joined together to form a rhombus of side a as shown y co ordinate of centre of mass is...
- Q Toppling of a Block over another after Collision A block A of mass 2m is placed on block B of mass 4m which in turn is placed on a fixed...
- Q A uniform rod is released from rest in the horizontal position shown in the figure The value of x for which the angular acceleration at the time of release is...
- Q Iwo spheres A and B of masses m and m2 respectively collide A is at rest initially and B is moving with velocity v along x axis After collision B...
- Q u VT Ques Boy and trolley are V 4 moving at 6m s initially 4 suddenly boy starts walking at 4m s w r t final state of trolley Find...
- Q 5 If an ellipse is rotated about X axis an ellipsoid is formed then the coordinates of the centre of mass of a solid uniform semi ellipsoid formed by rotating...
- Q 20 A particle is moving with velocity equal to 0 4 m s is subjected to a constant acceleration of 0 15 m s for 2s in a direction perpendicular...
- Q A trolley child of total mass 200 kg is moving with a uniform speed of 36 km h on a frictionless track The child of mass 40 kg starts running...
- Q 2 A small ball of mass m 0 270 kg is moving at a speed of 3 60 m s It strikes a stationary larger ball of mass m 0...
- Q 12 An explosion breaks a 32 0 kg object initially at rest into three parts Part 1 has a mass m 5 50 kg and a velocity of 58 0...
- Q 10 The drawing shows a collision between two small balls Ball 1 has a mass of 145 g and is moving along the x axis with a velocity of 5...
- Q 2 A small ball of mass my 0 270 kg is moving at a speed of 3 60 m s It strikes a stationary larger ball of mass m 0...
- Q A high speed photograph of a club hitting head of the club with a speed of 1 5 x 10 KN Photo Researchers Inc a golf ball is shown in...
- Q C velocity of 6 25 m s to the east What is the resulting velocity of the truck e car and truck collide in an elastic collision After the collision...
- Q Two pieces of play dough hit each other inelastically What is the final velocity of the dough the first piece had a momentum of 0 750kgm s the second had...
- Q 1 Using the Impulse Momentum Theorem Ft m V m Vel calculate the force required to stop the Self Driving Car Sedan during a collision with another vehicle using the...
- Q 5 On a smooth frictionless surface a puck A with a mass of 0 100 kg is pushed towards a stationary 0 050 kg puck B to cause a head...
- Q 6 Skater A with a mass of 72 0 kg is moving at 11 0 m s S when he collides with skater B with a mass of 42 0...
- Q 3 A rectangular block of mass M and height a is resting on a smooth level surface A force F is applied to one corner as shown in the figure...
- Q the page A metallic wire has the shape of a square frame and is placed in the field as shown While the shape of the wire is steadily transformed into...
- Q A rod AB slides on a V shaped wire with speed v as shown such that at any time OA field in the region is perpendicular downwards and has strength...
- Q at an angle with horizontal At the highest point of its trajectory it splits up into two fragments of equal masses One part returns back via same path to the...
- Q A 6 5 kg block is placed on a frictionless surface conneted to an unknowm mass and arranged as shown The unknown mass falls from rest a distance 2 4...
- Q In the diagram shown no friction at Rotate contact surface Initially the spring has no deformation What will be the maximum deformation in the spring Consider all the strings to...
- Q to the box after all possible collisions A box of length 22 cm and mass 100 g rests on a horizontal frictionless floor A small bead of mass 10 g...
- Q to ypane oll 19 Two spherical bodies of equal mass M revolve about their centre of mass The distance between FIGOSTH the centre of the two masses is r The...
- Q 5 18 A smooth uniform rod AB of mass Mand length rotates freely with an angular velocity in a horizontal plane about a stationary vertical axis passing through its end...
- Q 11 Moment of inertia of a uniform rod of length mass m about an axis through one end at an angle 45 to rod is 2 3 2 mL 1...
- Q 2 A smooth ball of mass m moving with a uniform velocity v strikes a smooth uniform rod AB of equal mass m lying on a frictionless horizontal table The...
- Q NEET PHYSICS Q 94 The moment of inertia of a thin sheet of Q 94 mass M of the given shape about the specified axis is The axis is in...
- Q body of mass M and moving with velocity u makes a head on elastic collision with another stationary body of m If A m M then the ratio f of...
- Q the moment of ng through the motion of the to be smooth king ball that the maximum 4 17 A ball of mass m moving at a speed v makes...
- Q uring a ballistic test designed to measure the muzzle velocity of a rifle a 7 90 g bullet is fired into a 6 20 kg wooden block of mass sitting...
- Q mass m on one end while another mass a ladder with a M on its other end as shown in the figure 2 Initially system is at rest The man...
- Q the centre of a circular ice rink a 89 0 kg ice skater moving 1 85 m s north hits and grabs onto a 53 0 kg ice skater who...
- Q asses are placed at co ordinates 1 1 2 2 and 4 4 respectively The position co ordinate of COM of system of three particles is 27 1 0 0...
- Q A ball of mass 1 kg is projected with a velocity of 20 2 m s from the origin of an xy co ordinate axis system at an angle 45...
- Q why cant we use centripetal acc v2 2r GM 2R 2 BY THIS 2ND OPTION IS COMING AND ALSO BY FORMULA KE PE 2 2ND OPTION IS COMING WHY CANT...
- Q A block m m kg strikes a stationary block m3 3 m kg inelastically Another block m 2m kg is kept on m3 Neglecting the friction between all contact surfaces...
- Q A particle of mass m strikes normally to a stationary wedge of mass 5m kept on the smooth horizontal surface as shown If the particle sticks to the wedge then...
- Q Three identical planks of uniform mass density and length are kept on each other as shown Plank 3 Plank 2 Plank 1 A B al maximum length of AB so...
- Q In the given diagram shown all three rods are of equal length L and equal mass M The system is rotated such that rod C is the axis The moment...
- Q A segment of angle 8 is cut from a half disc symmetrically as shown If the centre of mass of the remaining part is at a distance a from O...
- Q 3 13 From a uniform disc of mass M and radius R a concentric disc of about 4 Axes 1 and 2 are perpendicular to the disc and 3 and...
- Q A cubical container of mass m is placed on smooth horizontal surface as shown in figure A small ball of mass m is given velocity u 32 m s w...
- Q Two identical billiard balls strike a rigid wall with same speed as shown in the figure The ratio of magnitude of impulse imparted to the balls by the wall NCERT...
- Q Three particles of equal masses are placed at co ordinates 1 1 2 2 and 4 4 respectively The position co ordinate of COM of system of three particles is...
- Q A glass slab ABCD is made of two different grades of 3 glass of refractive indices and of equal thickness and a ray PQ is incident on the face AB...
- Q For the setup shown below find the velocity of plank after collision The co efficient of restitution between ball and plank is 1 2 A 5 m s m 137...
- Q A train is moving slowly at 2 m s next to a railway platform A man 1 5 m tall alights from the train such that his feet are fixed...
- Q Four identical spheres each of radius 10 cm and mass 1 kg are placed on a horizontal surface touching one another so that their centres are located at the corners...
- Q A body of mass 2 kg moving with a speed of 4 m s makes an elastic collision with another body at rest and continues to move in the original...
- Q A smooth uniform rod of length L and mass M ha two identical beads of negligible size each of mas m which can slide freely along the rod Initially the...
- Q angular momentum L If the frequency of mot is doubled and its kinetic energy is halved angular momentum becomes 1 2L 2 4L 3 L 2 Imo 2 2 L...
- Q A small particle of mass m moving inside a heavy hollow and straight tube along the tube axis undergoes elastic collision at two ends The tube has no friction and...
- Q m1 m2 A head on elastic collision The masses slide without friction on the floor The figure shows the initial state m 3 kg ha velocity 3 m s and...
- Q A ball strikes a wall slanted at 45 as shown at a speed v and an angle 74 with respect to the wall It rebounds and moves vertically upwards away...
- Q If for a system of N particles of different masses m m2 my with position vectors 2 FN and corresponding velocities 2 respectively such that 0 then a the total...
- Q Common Data for Q 79 and Q 80 Consider a comet of mass in moving in a parabolic orbit around the Sun The closest distance between th comet and the...
- Q For a particle moving in a central field a the kinetic energy is a constant of motion c the motion is confined in a plane b the potential energy is...
- Q 14 Two billiard balls each of mass 0 5 kg moving in opposite directions with speed 6 m s collide and rebound with the same speed What is the impulse...
- Q 29 Two steel balls A and B of mass 10 kg and 10 g rolls towards each other with 5 m s and 1 m s respectively on a smooth...
- Q Three thin rods each of mass m and length Lare joined to form as shown in the figure XQ P x S Moment of inertia of the system about an...
- Q 2mJ3gn m 6g Two identical balls each of mass 4 kg are moving towards each other with speeds 2 m s and 3 respectively They undergo head on perfectly elastic...
- Q A bullet of mass 20 g pierces through a plate of mass M 1 kg and then comes to rest inside a second plate of mass M 2 98 kg...
- Q A ball A moving with certain velocity along the positive x axis collides with a stationary ball B After collision their directions of motion make angles a and with the...
- Q A man A mass 60 kg and another man B mass 70 kg are sitting at two extremes of 2m long boa of mass 70 kg standing still in the...
- Q A ball hits a smooth surface and rebounds with the same speed as shown in diagram below The changes in the components of the velocity of the ball are 30...
- Q Suppose your teacher is showing a thought experiment in a gravity free space He struck a thin rod of M and length L at one end by a clay ball...
- Q C From a circular disc of radius R and mass 9M a small disc of radius R 3 is removed as shown in the Figure The new position of the...
- Q 1 A missile of mass 1 25 102 kg is fired from a plane of mass 4 75 103 kg initially moving at a speed of 2 60 102 m...
- Q There are two wires of linear mass densities A and 2A and the tension in them are T and 2T respectvely Which wire is supposed to be the denser medium...
- Q A cannon ball is fired with a velocity of 100 m s at an angle of 30 with the horizontal At the highest point of its flight it explodes into...
- Q A mass m is connected on either side with a spring each of spring constant k and k The free ends of springs are tied to rigid supports The displacement...
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