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Jamal watches his older brother Robert lift weights. the bar alone had a mass of 20 kg. on the bar he had two 11.4 kg weights two 4.5 kg weight and four 450 g weights. what mass…

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asked Aug 1, 2019 61.9k views

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Jamal watches his older brother Robert lift weights. the bar alone had a mass of 20 kg. on the bar he had two 11.4 kg weights two 4.5 kg weight and four 450 g weights. what mass what's Robert lifting

Mathematics
college

Afridi Kayal asked

by Afridi Kayal

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Total mass=20+2(11.4)+2(4.5)+4(0.450)
=20+22.800+9+1.800
=53.600 kg.

Jake Kalstad answered Aug 7, 2019

Jamal watches his older brother Robert lift weights. the bar alone had a mass of 20 kg. on the bar he had two 11.4 kg weights two 4.5 kg weight and four 450 g weights. what mass…

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