Question

select the correct answer. an airplane is flying at a constant speed in a positive direction. it slows down when it approaches the airport where its going to land. which term describes the slowing of the plane? a. stationary b. positive velocity c. positive acceleration d. negative acceleration e. constant velocity

Explanation:

Acceleration is the rate of change of velocity. When an object slows down, the acceleration is in the opposite direction of the velocity. Since the plane is moving in a positive - direction and is slowing down, the acceleration is negative.

Answer:

D. negative acceleration