If you are in an airplane. you look out the window and the clouds appear to be moving. what is your frame of reference? a.) airplane b.) clouds c.)ground d.)window

Hello,

You are in an airplane, you look out the window and the clouds appear to be moving, your frame of reference is the window. As the frame of reference can not be accelerating, clouds accelerate, and so does the airplane.

Faith xoxo

therefore, the efficiency is:

The center is basically the heart of it