" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
misal kita ambil saja 1 sekon ya , jika bukan ganti t nya aja .
Dik :
θ = 4t² + 2t + 8
r = 12,5 cm
Dit : a = ...?
Peny :
w = dθ/dt
= d/dt (4t² + 2t + 8)
= 8t + 2
w = 8t + 2
= 8(1) + 2
= 10 rad/s
a = w²r
= 10² x 12,5
= 100 x 12,5
a = 1250 rad/s² <--- Jawaban Final
SELESAI