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skywil8981
18.11.2020 •
Physics
10. A yo-yo hangs from a string of 0.25 m in length. A person holds the free end of the string and swings the yo-yo around in a circle. It makes one rotation every 0.50 s. What is the average speed of the yo-yo?
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Ответ:
Having a given problem of 79.5 miles per hour to be converted to meters per second, we need to know the constant values of 1 mile = 1609 meter, 1 hour = 60 minutes and 1 minute = 60 seconda. To solve, (79.5 mi/1 h)x(1609 m/ 1 mi)x(1 hr/60min)x(1 min/60 sec). The final answer would be 35.53 m/s.
Explanation: