answere 2nd question fast
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Answer:
in elastic collision Momentum is conserved we have M1 you oneplus and to you to is equals to MV m1v oneplus m2b to first equation kinetic energy is also conserved then have m121 squire plus have am to you to square is equals to half and 1 v 1 squire plus half M2 to square 2nd equation from equation we have M1 Yuvan - V1 is equals to M2 V2 - you do it is third equation now form equation from equation to we have M1 you in bracket to Yuvan square minus one square is equals to M2 in (V2 square minus b square equation 4 dividing equation for Biology question 3 we have you 2 square minus y square upon uvl - 1 is equals to 2 square - 2 square upon V2 - YouTube + v2v 1 + Vivo U1 + 1 is equals to 2 + you to answer is Yuvan be 1 - 2 is equals to 2 - YouTube