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Ancilla (mass 57 kg) goes skydiving. At one point in her descent, the force of air resistance on Ancilla and her parachute is 670

Ancilla (mass 57 kg) goes skydiving. At one point in her descent, the force of air resistance on Ancilla and her parachute is 670 N [up]. (a) What is the force of gravity on Ancilla? (b) What is the net force on Ancilla? (c) What is Ancilla's acceleration?

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