See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

54. 00000.40 ALL INDIA TEST SERIES FIITJEE JEE(Advanced)-2019 AITS-PT-I (Paper-1)-PCM (Sol.)-JEE(Advanced)/19 FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942 website: www.fiitjee.com 2 Physics PART – I SECTION – A 1. Immediately after 1st collision: Since the situation is symmetric, both will come to rest simultaneously. x0 : maximum compression  2 2 0 0 1 1 2 mv kx 2 2    0 0 2m x v K  m v0 m v0 Just before 2nd collision: Finally:  0 P 4mv ( )     m v0 m v0 v0 v0