Dragonskeld
27.06.2019 •
Physics
What is the average speed of an object that moves 100 m in 4 seconds and then remaining at rest for 1 second?
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Ответ:
During the first 4 seconds, its average speed is (100/4) = 25 m/s .
During the full 5 seconds, its average speed is (100/5) = 20 m/s .
Ответ:
C
Explanation