!FIRST ONE TO ANSWER GETS MARKED AS BRAINLIEST!
The intensity of sound waves produced by mosquito and cannon are 10^2 W/m^2 and 10^6 W/m^2. What is the relative intensity?

A. 180 dB
B. 200 dB
C. 60 dB
D. 20 dB
E. 40 dB

Name the non metal condut electricity

Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.