HELP! A merry-go-round of diameter 18 m revolves at a rate of 8.3 rev/min. What is the velocity of a child who is seated at the outer edge of the merry-go-round?

5.5 m/s
7.8 m/s
1.2 m/s
15.6 m/s

There is no reason to think the results are biased or not conducted properly but you should not assume the results are correct just because they were done in a laboratory so the answer would be c. it is likely to be reliable because the results support the conclusion presented.

Answer:

5.6⋅10−^19  j

do you need the explaination?

A. ​it generates energy from carbohydrates.b. it requires activation by oxygen.​c. ​it is used by cells to dispose of excess electrons