Question

Asked Oct 9, 2019

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A motorboat cuts its engine when its speed is 10.7 m/s and coasts to rest. The equation describing the motion of the motorboat during this period is *v* = *v*_{i}*e*^{-ct}, where *v* is the speed at time *t*, *v*_{i} is the initial speed at *t* = 0, and *c* is a constant. At *t* = 19.5 s, the speed is 5.00 m/s.

a) Find the constant *c*.

^{b) What is the speed at t = 40.0 s? }

Step 1

a)

Equation for speed is,

Step 2

Step 3

Substituting the...

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