A Sky Diver Has Jumped from a Plane and Achieved

question 46

Multiple Choice

A sky diver has jumped from a plane and achieved a nearly constant velocity as she falls.Which statement below correctly explains how this happened.

• A)She was high enough from the Earth that g was negligibly small.
• B)She had reached equilibrium;the frictional force exceeded her weight.
• C)Nearly constant velocity is an illusion caused by the very high velocity.
• D)Terminal velocity occurred when the air was so thin that friction became negligible.
• E)She reached equilibrium;the frictional force equaled her weight.