Answer:
.3139 joules
Step-by-step explanation:
Weight in the metric system is ma
you have 4 fins that have MASS of 8 grams each
or 32 grams which is .032 kg
WEIGHT would be .032 kg * 9.81 m/s^2 = .31392 j
0.314 kg
x 4 x 9.81
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