Estimate the power output of sound

Reference no: EM13258088

The intensity in normal conversation, when about50 cm from the speaker, is about 3×10?6W/m2. Assume the sound spreads roughly uniformly over a sphere centered on the mouth. Estimate the power output of sound from a person speaking in normal conversation.

Reference no: EM13258088

Questions Cloud

How many total kilocalories does he consume : For dinner, Bill consumes 255 grams of carbohydrate, 70 grams of protein, and 50 grams of fat. In addition, Bill decides that he wants a glass of wine with his meal.

Compute the interest rate : Compute the interest rate for a $1,000 face value a bond that sells for $280 and matures in 20 years. The bond has no coupon payments, only the face value payment.

Find the symmetrical components of the line currents : A balanced D-connected load is fed by a three-phase supply for which phase C is open and phase A is carrying a current of 10

Solve for the values of x1 and x2 in the system : Solve for x1 and x2 in the system of equations given by x2 -3x1 + 1.9 = 0: x2 + x12 - 1.8 = 0 by Gauss method with an initial guess of x1 = 1 and x2 = 1

Estimate the power output of sound : The intensity in normal conversation, when about50 cm from the speaker, Estimate the power output of sound from a person speaking in normal conversation

What is the present value : An investment will pay you $50,000 in 11 years. If the appropriate discount rate is 7.7 percent compounded daily, what is the present value?

Nutrition encompasses how we consume the food : Nutrition encompasses how we consume, digest, metabolize, and store food. Nutrition is an ancient science that dates back to the 14th century. Nutrition involves studying the factors that influence eating patterns.

State equation showing how it acts as a base : Write another equation showing how it acts as a base toward water. Express your answer as a chemical equation. Identify all of the phases in your answer.

How much will you pay for the policy : The Maybe Pay Life Insurance Co. is trying to sell you an investment policy that will pay you and your heirs $40,000 per year forever. If the required return on this investment is 6.30 percent, how much will you pay for the policy?

User Account

All Pages