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34. A body of mans 3 kg in moving with a velocity of 4 ma towards right, collides head on with a body of mass 4 kg moving in opposite direction with a velocity sf 3 msAlter eolliaion the two bodies stick tigether and move with a common velocity, which is (b 12 ms tuwans len 41. Two partieles of mas m, and in pmjectle maton have velocities andv, repectively L time 1a Thuy eolide at time t. Their velaeitien bee V and v at une 2 t while utill meving in air. The value ofm, v(mv - lal zem al zero (cl 12 ms towands right 12 ms tawars let id 2im, mt. 35. Asphere of mass m moving with a constant velocity hits another stationary sphere of same mass Ife le the coefficient of restitution, then the ratio of velocity of two uphores aftor collicion will be 42. Inan elastle head on eollimon hetween two partacles la velocity of separation s equal to thevelocity af aoproadh b) velacity of the taryet sulways mone than the selocity of the projectile d the maimum velocity of the taget b double to that of the projectle Tll masimn transfer of kirietic enegy accurs wheu mases of both projectie ard target ate equul 43. In a one dimenaional colliion betweon twe identieal partielen A and B, where B in stationary and A has mementum p before impact. During impact B gives an impulse J to A Then ooefficient of restataution betwoon the two is 1-e (b) 1-e e-1 36. Two perfectly elastie ohjects A and B of tdentienl mass are moving with velocities 15 msand 10 ma respectively, collide along the diroction of line joining them. Their veloeities after collimon are respoctively fal t0 ms, 15 me id o my, 25 mw- b) 20 m 5 my! (d1 ms, 0 37. Two spherical bodien of the samo masu M are moving with velocitins y nnd . Those collide perfetly inelastioally, wM - M, - 44. A body ol'mass 2 kg moving with a velocity of 3 m/s collides head-on with a body of mase 1 kg nioving in upposite direction with a veloeity of 4 m/a. Aler collisinn two bodies stick together and moves with a common velocity which in m/s is equal to di 2MV - 38. Two equal mases m and my moving along the same straight line with volocities +3 m/s and -6 mis mspectively collide olastically. Their velocitios ater the colliaion will bo respectivelsy lal+4 mis for both e)-4 m/s and +4 ms 39. A particle of mass m collides with anotlier -tationary SLrticle of mass M. If the particle m stops just after collinion, the coefficient of restitution for collision is equal to y in INCERT (hi 14 thl-3mis and5 m al5 mis and +3 mls 45. A hody e dropped and observed to bounce a helght greater than the dropping height. Then (a) the collislon s elatie (b) there odilitional sorce of energy during collision ()it i ot poitile (d) this type of phenomenon does not occur in natue 46. A partiele of masn m moving with a velocity (3 i+2j) ms oollides with a stationary body of maan M And finally moves with a velocity (-21 jma ir nallider! The sel (d) 00. A bullet of mana hita a target of man Mhanging by string and geta ombeddod in it. trthe block rises to a height A as a result f this collision, the velocity of the bullet before mllinion is then M 13 6) the imgule received ty Mis misi ) b) the velocty of the Mis v gh 14 11 (e) the coefficient of restitutions 17 id) v agh lll All of the above are conect