The Velocity of a Sky Diver T Seconds After Jumping $v ( t ) = 80 \left( 1 - e ^ { - 02 t } \right)$

question 25

Multiple Choice

The velocity of a sky diver t seconds after jumping is given by $v ( t ) = 80 \left( 1 - e ^ { - 02 t } \right)$ . After how many seconds is the velocity 50 ft/s?

• A)5.0 s
• B)4.9 s
• C)8.9 s
• D)0.2 s
• E)none of these

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