Question: The sound intensity level 5.0 m from a large power saw is 100 dB. At what distance will the sound be a more tolerable 80

The sound intensity level 5.0 m from a large power saw is 100 dB. At what distance will the sound be a more tolerable 80 dB?

Step by Step Solution

★★★★★

3.51 Rating (164 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

Model Assume the saw is far enough off the ground that we dont have to worry about reflected ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Physics Scientists and Engineers Questions!

Q:

(a) If two sounds differ by 5.00 dB, find the ratio of the intensity of the louder sound to that of the softer one. (b) If one sound is 100 times as intense as another, by how much do they differ in...

Q:

During takeoff, the sound intensity level of a jet engine is 140 dB at a distance of 30 m. What is the sound intensity level at a distance of 1.0 km?

Q:

Your ears are sensitive to differences in pitch, but they are not very sensitive to differences in intensity. You are not capable of detecting a difference in sound intensity level of less than 1 dB....

Q:

6. The gure shows a snapshot graph D(x, t = 2 5) taken at t = 2 s of a pulse traveling to the left along a string at a speed of 2.0 m/s. Draw the history graph D(x = 2 m, t) of the wave at the...

Q:

1) Dagol and Smagol are fishing in a large river. Dagol observes that the float on his line bobs up and down, taking 2.50 s to move from its highest to its lowest point. Smagol estimates that the...

Q:

(9) = Lw - 20log= - 10 log(4n) Ly = 10109 Iref = 10109 Was.4urz where r is a reference distance that is introduced to nondimensionalize the argument of the log.4.2 Pre-lab question Using the material...

Q:

Q1. The graph in figure 1 shows the range of audible intensities versus frequency. The human ear is most sensitive to frequencies near 3000 Hz. The audible range extends from about 20 to 20000 Hz....

Q:

Help please I'm how sure how to solve Emergency vehicles need to strike a careful balance between drawing attention with sound sirens and protecting the public (as well as EMTs) against hearing loss....

Q:

(1) You're outside mowing some grass. The roar from the lawnmower's engine has an intensity I m = 2 .18 mW/m2 (milliwatts per square meter) at a distance of 1.18 m. Calculate the sound power P m of...

Q:

5. You are driving along a highway at 35.0 Ill/S when you hear the siren of a police car approaching you from behind and you perceive the frequency as 1310 Hz. You are relieved that he is in pursuit...

Q:

microsoft azure az-900 Your company has an Azure subscription that contains resources in several regions. You need to ensure that administrators can only create resources in those regions. What...

Q:

For the following reaction, which is the correct mechanism for the ADDITION of the acetylide ion across the carbonyl group (C-O) 1) H H. OH H-CEC-C-H 2) H,0' mild H0-H OH H-CEC:e H-CEC-C-H H...

Q:

A 9 - year bond paying coupons annually has a yield of 9 . 5 % and a duration of 8 . 8 3 6 years ( Macaulay ) . Assume the market yield changes by 5 0 basis points. Required: What is the percentage...

Q:

15. The number of minutes past the scheduled departure time that jets with no mechanical problems leave the terminal in an overcrowded airport in the northeast are iid outcomes from a uniform...

Q:

A copper cylinder with a diameter of 3 in. is initially at a uniform temperature of 70F. How long after being placed in a medium at 1000F with an associated convective heat-transfer coefficient of 4...

Q:

A cylinder 2 ft high with a diameter of 3 in. is initially at the uniform temperature of 70F. How long after the cylinder is placed in a medium at 1000F, with associated convective heat transfer...

Q:

If a rectangular block of rubber (see Problem 18-12 for properties) is set out in air at 297 K to cool after being heated to a uniform temperature of 420 K, how long will it take for the rubber...

Q:

Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Variable selling expense Fixed selling expense Total cost $ 20 8 3 9 4 6 $ 50 $ 640,000 256,000 96,000...

Q:

Pennsylvania Refining Company is studying the relationship between the pump price of gasoline and the number of gallons sold. For a sample of 16 stations last Tuesday, the correlation was 0.57. The...

Q:

Please answer for a,b,c,d Question 1 For its Music 360 survey, Nielsen Cor asked teenagers and adults how each group has listened to music in the past 12 months. Nearly two-thirds of US teenagers...