Answer:
Its simple! B The ball accelerates upward!♡♡
Answer:
im not too sure about that all i know is history
I believe your answer would be A. Due to the friction of pushing the chair while it’s on the floor
Answer:
B) 3.50 m/s
Explanation:
The linear velocity in a circular motion is defined as:

The angular frequency (
) is defined as 2π times the frequency and r is the radius, that is, the distance from the center of the circular motion.

Replacing (2) in (1):

We have to convert the frequency to Hz:

Finally, we calculate how fast is the child moving:
