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20-12-2016
Physics

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if a zebra weighs 390N what is its mass

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mathssydney mathssydney

20-12-2016

W=mg
m = W/g = 390N/ 9.8 m/s^2 = 39.8 kg

some people round g to 10 m/s^2 and this will give answer of 39 kg, which is wrong

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