In The River (S255, S653)
From: LABLaughs.com on 12/17/2001
Photo from DailyCal.org...
bridge and the Longfellow bridge are 1 mile
apart. The MIT crew team starts rowing upstream at the
Longfellow. As the crew passes under the Harvard, the
coxswain's hat falls into the river. 10 minutes later, the
coxswain notices and turns the boat around instantaneously
and has the crew go back to get it, rowing at the same
constant rate. By the time the team reaches the hat, they
are back at the Longfellow. How fast is the river flowing?
Since the crew's speed
is measured relative to the river and