If a person is 6.25 m away from a 60.0 w speaker, what is the sound level they are hearing? (treat the speaker as a point source.)

110.87 dB

Explanation:

(I got it right on Acellus)

I= P/4(pi)r^2 = 60/4(pi)6.25^2

60/4(pi)6.25^2=0.12223

B=10log(I/Io)

B=10log(0.12223/1*10^-12) = 110.87 dB

111 in sigfigs

hi there!

out of the two, (b) precision would be more reasonable.   however, both a and b could be pretty reasonable.

-awesomerepublic   : )

explanation:

considering the bohr theory, the type of connection that requires the transfer the answer conuldn't be right