Because the information cant be out of the investigation
Answer:

Explanation:
initially the merry go round is at rest
after 6.73 s the merry go round will accelerates to 20 rpm
so final angular speed is given as



so final tangential speed is given as


now average acceleration of the girl is given as



Answer:
one step UVU i dont even know XD there is no picture or graph?
Explanation:
Answer:
the answer is d
Explanation:
you get exhausted at the middle because it is steep.
Explanation:
sound waves go through almost every thing exept solid walls