Semi anthracite has the higest which is 29.5
The answer is 100N. Look up the definition of Newton's third law.
Answer:

Explanation:
As we know that tension force in the string will be equal to the centripetal force on the string
so we will have

now we have

now we have


now when string length is 0.896 m and its speed is 71.5 m/s then we will have



Answer:
compressions; rarefactions
Explanation: