# 1. You are driving down the freeway at a constant 60 mph (26.8 m/s)·There is a...

###### Question:

1. You are driving down the freeway at a constant 60 mph (26.8 m/s)·There is a truck in tot of you, and you estimate that every second you get 1 m closer to the truck. How fast is the truck going (in miles per hour)? 2. What is the velocity of the truck relative to you? Take the forward direction (the direction you are going in) to be positive 3. You are on an airplane and the flight screen informs you that your airspeed is 550 mph and your speed relative to the ground is 510 mph. What is the velocity (including direction) of the air around the plane (that is, the wind), relative to the ground? 4. Is there any mechanics experiment that you could perform inside the plane that would tell you the plane's velocity?

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