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A parachutist relies on air resistance (mainly on her parachute) to decrease her downward velocity. She and her parachute have a mass of 55.5kg and air resistance exerts a total upward force of 620N on her and her parachute.
What is the combined weight of the parachutist and parachute?
I've gotten 76.1N (using 9.8) however this answer is wrong
Please help!

  • Physics -

    M*g = 543.9 N

    It looks like you subtracted 620 N from the weight to get the net upward force. That is not what they asked for.

    They only asked for the combined (her and parachute) weight.

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