juanjchernandez05 juanjchernandez05

02-06-2020
Physics

contestada

A train is 240 meters long and travels 20 m/s. How long does
it take to cross a 360-meter long bridge?
S

Respuesta :

maempress maempress

02-06-2020

Answer:

=18 sec

Explanation:

240m=20m/s, find 360m

360×20÷240=30m/s

time=distance÷speed

240÷20=12sec

if 240=12sec,find 360

360×12÷240

=18 sec

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