See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

Applying work energy theorem Kf – Ki = w 2 2 2 1 1 1 m v m (4v) 2 2  2 1 m g y m g(4y)    v = 4 m/s. m1 m2 mg v T AITS-FT-I-PCM(Sol.)-JEE(Main)/2023 FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942 website: www.fiitjee.com 8 Chemistry PART – B SECTION – A