A ball is thrown vertically upwards with a speed of 20m/s. Calculate the maximum height reached. (g= 10m/s²)

John Perolski
August 22, 2023

Physics Jamb, Waec, Neco Past Questions & Answers on Speed, Velocity and Acceleration

QUESTIONS 58. A ball is thrown vertically upwards with a speed of 20m/s. Calculate the maximum height reached. (g= 10m/s²) 

NECO 2008 Ans: 20.0m 

SOLUTIONS 

Initial velocity u = 0

h = ut + ½gt²

V² = u² - 2gh

0² = 20² - 2(10)h

0 = 400 - 20h

400 = -( -20)h

h = 400/20

h = 20.0m ANSWER