" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
~Usaha dan Daya~Diketahui
m = 1,5 ton = 1500 kg
Vo = 10 m/s
Vt = 70 m/s
t = 6 s
η = 90%
Ditanya
P =__?
Jawab
Usaha yaitu
W = 1/2. m. ( Vt² - Vo² )
W = 1/2. 1.500 ( 70² - 10² )
W = 750 ( 4900 - 100 )
W = 750. 4800
W = 3.600.000 J
Karena ada η ( efisiensi ) maka
P = η W/t
P = 90%. 3.600.000 / 6
P = 90%. 600.000
P = 540.000 J/s