Question

Q no.12, 14, 16, 18, 19 ka solutions

Answer 1

16)by using v²-u²=2as we get 2000/196 18) C is m/s, planks constant is kgm²s^-3 ,G is kg^-1 m³ s^-2 19)Sn = u+a/2(2n-1). the rest I donno sry for that