Question

Two balls are thrown vertically upwards simultaneously with initial velocities 10 m/s and 20 m/s
respectively. Find the ratio of heights attained by the two balls,​

Answer 1

let time be t,

dist. of 1st ball = 10×t = 10t

dist. of 2nd ball =20×t = 20t

d1 : d2 = 10t : 20t

= 1:2.