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What is a valid frame of reference for observing motion if you

are riding on a bus with a friend?
a the bus driver at the front of the bus
b the wastebasket on the bus
c your friend sitting next to you
d objects like trees and houses outside the windows

User Jdkealy
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1 Answer

1 vote

Answer: D

Step-by-step explanation:

User Lazy Ninja
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