On a certain stretch of track, trains run at 60 mph. How far back of a stopped train should a warning torpedo be placed to signal an on coming train? Assume that the brakes are applied at once & retard the train at the uniform rate of 2 ft per sec2. * S= 1134 ft. O S = 1246 ft O s = 1477 ft O s= 1936 ft
On a certain stretch of track, trains run at 60 mph. How far back of a stopped train should a warning torpedo be placed to signal an on coming train? Assume that the brakes are applied at once & retard the train at the uniform rate of 2 ft per sec2. * S= 1134 ft. O S = 1246 ft O s = 1477 ft O s= 1936 ft
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Transcribed Image Text:On a certain stretch of track, trains run at 60 mph. How far back of a stopped
train should a warning torpedo be placed to signal an on coming train? Assume
that the brakes are applied at once & retard the train at the uniform rate of 2 ft
per sec2. *
O s= 1134 ft.
O s= 1246 ft
O s= 1477 ft
O S = 1936 ft
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