What is meant by the reference body when they say: a) is the truck moving at 70 km / h?
| September 25, 2020 | Education
What is meant by the reference body when they say:
a) is the truck moving at 70 km / h?
b) is an airplane stewardess walking through the cabin at a speed of 1 m / s?
c) the speed of the moon is 1 km / s?
a) the surface of the Earth;
b) the aircraft cabin;
c) the center of the Earth.
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