Answer:
5292.64 m
Explanation:

Taking threshold intensity as
and since it's a constant then sound intensity for 66.7 dB will be

Also, since sound intensity is inversely proportional to the square of the distance of the source then the distance can be given by

Answer:
yes you will need a control
Explanation: all i know is that you need a control i don't know how to set it up lol sorry
Answer:
B. 2. A baseball was hit by a bat and now flying through the air.
Explanation: A baseball that is hit by a bat has a larger velocity, due to this the amount of kinetic energy is high.
Answer:
8
Explanation:
Because you divide 32/4 which gives you 8.