" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
- energi
m = 0,5 kg
y = 2 sin 20πt
Ek = ___ ?
dari persamaan simpangan
y = 2 sin 20πt
diperoleh persamaan kecepatan
v = dy/dt = y'
= 40π cos 20πt
kelajuan maksimum
Vm = 40π m/s ← jawaban
energi kinetik maksimum
Ek = ¹/₂ m Vm²
Ek = ¹/₂ · 0,5 · (40π)²
Ek = 400 π² J ← jawaban