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AP® Physics C: Mechanics

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Skydiver Opens Parachute: Conceptual Question

APPHMC-8CIH@S

Timmy thought he could fly, and was surprised when he was unable to. Luckily, he wore a parachute. At the moment Timmy pulls the cord, he is falling downward rapidly. The free-body-diagram at this moment is shown below.

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Which of the following is true of Timmy's resulting motion?

A

Timmy will have an acceleration of magnitude $g=10\text{ m/s}^2$.

B

Timmy will begin to move upward.

C

Timmy will immediately stop.

D

Timmy will have an acceleration which is directed downward.

E

Timmy will continue to fall, but will now slow down.