Respuesta :

Answer:

0.314 kg

Explanation:

[tex]\frac{8}{1000}[/tex] x 4 x 9.81

Answer:

.3139  joules

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

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