" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
W = QP.t = m.c.T
t = m.c. T / P
= 1.4200.(100-40) / 210
= 1.20.60
= 1200s
= 20 menit