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dik :
F sedan = 80 N
s mobil = 0,5dari truk
s truk 10 m dr sedan
dit : W ?
dijawab :
W = F x s
= 80 x (10-0,5)
= 80 x 9,5
= 760 Joule
no.15 :
W = 3000 N
h = 2,0 m
s = 4 m
dit : F ?
dijawab :
F = h/s x W
= 2/4 x 3000
= 1.500 N
KM = s/h
= 4/2
= 2