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DANIneplanets
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Homework Statement
A motorboat is moving across a lake at a speed vo when its moot suddenly freezes up and stops. The boat then slows down under the frictional force fR = -bv (a) What are the velocity and position of the boat as a function of time? (b) If the boat slows down from 4.0 to 1.0 m/s in 10s how far does it travel before stopping?
Homework Equations
fr=-bv
The Attempt at a Solution
v=v0 e-b/m *t
x=x0+ v0m/b (1-e -b/m *t)