Increasing the sound intensity by a factor of:
10 raises its level by 10 dB
100 raises its level by 20 dB
1,000 raises its level by 30 dB
10,000 raises its level by 40 dB
therefore, we would be using the 10dB since we are only looking for 13.8 dbSo: 10^1.38 = 23.99 or 24 times.
Answer:
check 2 photos for answer
check 2 photos for answer
Answer:
A. The mechanical energy of the system at the beginning of the experiment is equal to the mechanical energy of the system at the end of the experiment.
Explanation:
I took the quiz and I put this answer and I got a 100%.
You don't need to do any calculations, you are already given that n=1.5
n is index of refraction. it's 1.5