a) v=3cm3
w=18.7N
m=18.7/10=1.87kg
d=1.87x10^3=623.3g/cm3
b) 623.3/0.8=18.7/y
y=(0.8x18.7)รท623.3=0.024N
18.7-0.024=18.676N
Alambi answered the question on February 7, 2019 at 19:23
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