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The Air Resistance of a Free Falling Object Is Proportional v(t)=32(ept1)v ( t ) = 32 \left( e ^ { - p t } - 1 \right)

Question 31

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The air resistance of a free falling object is proportional to its velocity. Use the equation of downward velocity given by v(t)=32(ept1)v ( t ) = 32 \left( e ^ { - p t } - 1 \right) , where tt is time and vv is measured in ft/s, to find the following.
(a) The initial velocity of the object.
(b) The velocity of the object after 22 s and
1010 s, if
p=0.25p = 0.25 .
(c) The object's maximum or terminal velocity, and a graph of the object's velocity.

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(a) t = 0 ...

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