" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
g = 10 m/s²
h , t ?
Ep = Ek
mgh = mV²/2 /* 2
2mgh = mV² : m
2gh = V^2 /:2g
h = V²/2g
h = (15 m/s)² / 2 * 10 m/s²
h = 11,25 m
h = gt² / 2
2h = gt²
t² = 2h/g
t = √2h/g
t = √ 2 * 11,25 m / 10 m/s²
t = 1,5 s