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Question1
A car travels along a straight line at a constant speed of 60.0 mi/h for a distance d and then another distance d in the similar direction at another constant speed. The average velocity for the entire trip is 30.0 mi/h.
(a) What is the constant speed with that the car moved during the second distance d?
(b) What If? Assume the second distance d was travelled in the opposite direction; you forgot something and had to return home at the same constant speed as found in part (a). What is the average velocity for this trip?
(c) What is an average speed for this new trip?
Question2
A jet airplane flies with a speed of 1120 mph (mi/h) at an altitude of 2870 ft. It passes directly over the head. How soon after it passes directly above will the sonic boom? The speed of sound is 343 m/s.
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