Physics, 23.07.2019 08:30 Ameilasmickle15

Asound wave with a power of 8.8 × 10–4 w leaves a speaker and passes through section a, which has an area of 5.0 m2. what is the intensity of sound in this area? (intensity = i = ) 1.8 × 10–4 w/m2 1.8 × 10–6 w/m2 1.6 × 10–4 w/m2 1.6 × 10–6 w/m2

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 05:10, 902coo

What is the electric force acting between two charges of -0.0045 c and -0.0025 c that are 0.0060 m apart? use fe=kq1q2/r^2 and k = 9.00 x 10^9 n*m^2/c^2 a. 1.7 x 10^7 n b. -1.7 x 10^7 n c. -2.8 x 10^9 n d. 2.8 x 10^9 n

Answers: 1

continue

Physics, 22.06.2019 13:30, Travisbennington

Which is not an example of how an object gains elastic potential energy by stretching? a. jumping on a pogo stick b. pulling on a rubber band c. jumping on a trampoline

Answers: 1

continue

Physics, 22.06.2019 15:40, caveman171

Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?

Answers: 1

continue

Physics, 23.06.2019 00:30, maloynegen7681

Madison lives near the ocean. she’s formed a hypothesis that increased concentrations of salt in the air speeds the corrosion of certain metals. if madison plans to test this hypothesis, she will have to deal with the following variables in her experiment: dependent variable: independent variable: one possible confounding variable:

Answers: 1

continue

You know the right answer?

Asound wave with a power of 8.8 × 10–4 w leaves a speaker and passes through section a, which has an...