Odpowiedzi

2010-01-10T22:50:43+01:00
V² = v₀² + 2as
a = (v² - v₀²)/2s = (100-25)/50 m/s² = 1,5m/s²
a = F/m
F = fN = fmg
a = fmg/m = fg
f = a/g = (1,5m/s²)/(10m/s²) = 0,15