Math, asked by ra7varchamulu, 1 year ago

Speed 48km/hr cross in 21 sec find length of train

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Answered by Grzesinek

0

$48\ km/h=\frac{48000}{3600}\ m/s=\frac{40}3\ m/s\\\\\textrm{Length of train is:}\\l=vt=\frac{40}3\cdot21\ m=40\cdot7\ m=280\ m$

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