HOME > > An elevator is accelerating 3 m/s^2 , the person standing on it registers a weight of 1089N what is his mass
An elevator is accelerating 3 m/s^2 , the person standing on it registers a weight of 1089N what is his mass
[From: ][author: ][Date: 12-06-17][Hit: ]
......
the answer is 85kg but i dont know how he got it
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ΣF = m a
N - w = m a
1089 - m * 9.8 = m * 3
m = 85.0781 kg
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