Question

if 22.5m m of a uniform iron rod weigh 85.5kg what will the length ofof 22.8 kg of the same rod

Answer 1

Mass per unit length of given rod is
= (85.5 kg) / (22.5 m)
= 3.8 kg/m

Length of 22.8 kg rod
= 22.8 kg / (3.8 kg/m)
= 6 m

Length of 22.8 kg rod is 6 m

Answer 2

85.5kg weight rod 22.5 metres

1 kg weight rod 22.5/85.5 metres

22.8 kg weight rod 22.5/85.5*22.8

=6 metres (answer)

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