Question

if 22.5 meter of uniform iron rod weighs 85.5 kg what will be length of 22.8 kg of the same rod

Answer 1

Answer:

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) = 6m