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

Respuesta :

liannalberto23 liannalberto23
  • 14-06-2018
answe is b good look
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