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Vectors and matrices — Question 9

QCAA 2021, Paper 2 · 1 mark

Q9 · 2021 · Technology-activeSimple familiar1 mark

QUESTION 9

Two vertical forces act on a skydiver with a mass of 8585 kg, as shown.
When the magnitude of the air resistance is 6262 N, the magnitude of the acceleration of the skydiver is
Free-body diagram of a skydiver showing air resistance upward and weight downward.
(A)
0.730.73 m s−2^{-2}
(B)
2.652.65 m s−2^{-2}
(C)
9.079.07 m s−2^{-2}
(D)
12.4412.44 m s−2^{-2}
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