jeremyhamborsky jeremyhamborsky
  • 29-03-2017
  • Mathematics
contestada

A train traveling 90mph takes 4 seconds to completely enter a tunnel and 40 additional seconds to pass through the tunnel.

How long is the train?

How long is the tunnel?

Respuesta :

mlng8
mlng8 mlng8
  • 29-03-2017
90miles/hour
divide by 360 to convert to miles per second
multiply by 5280 to get to feet per second
multiply by number of seconds to get length (in feet) of each object
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