A 2550 lb vehicle has a drag coefficient of 0.40 and a frontal area of 18 ft2. The minimum tractive effort required for this vehicle to maintain a 65 mi/h speed on a 5.5% upgrade through an air density of 0.002045 slugs/ft3 is most nearly:

d) physical means can be used to separate the components of air.

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

hope this ! : )

your answer is c! hope this : )

the force represented by vector a is normal force. if the hockey puck is moving to the right, when it is hit with a significant force by the hockey stick the puck will move off in a different direction. correct on edge.