helpplz7940 helpplz7940

12-06-2018
Physics

contestada

A rock (mass 45 kg) falls into a ravine. What is the force of air resistance when it has reached terminal velocity.?

9.8 N
221 N
340 N
441 N

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liannalberto23 liannalberto23

14-06-2018

answe is b good look

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