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When a parachute opens, the air exerts a large drag force on it. This upward for

ID: 1532795 • Letter: W

Question

When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the sky diver and, thus, slows him down. Suppose the weight of the sky diver is 952 N and the drag force has a magnitude of 1020 N. The mass of the sky diver is 97.1 kg. What are the magnitude and direction of his acceleration?

5. 1/2 points I Previnus Answers C.I104 P016 My N Ask Y When a parachule opens, Lhe air exerts a larue drag iurce on il. This upward force is ini ially urealer an the weighl of e sky dive and us, sluws him down. Suppose the weighil of lhe sky diver is 952 N and the drag force has a magnitude of 1020 N. The mass of the sky diver is 97.1 kg. What are the magnitude and direction of his acceleration? magnitude mis direcliun ard Additional Materials La Section 4.5

Explanation / Answer

acceleration a = Fnet / mass
and if "up" is positive, then
a = (1010 - 950)N / 97.1kg = 0.618 m/s²

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