What is the intensity at a spot that is at specific distance
Suppose that sound is emitted uniformly in all directions by a public address system. The intensity at a location 26 m away from the sound source is 3.40 10-4 W/m2. What is the intensity at a spot that is 84 m away?
Now Priced at $5 (50% Discount)
Recommended (92%)
Rated (4.4/5)
The sound intensity during a normal conversation is about 3.20 10-6 W/m2 at the listener's ear. Assume the sound strikes the surface of the ear perpendicularly. How much power is intercepted by the ear?
Downs Co issued $800,000 of 8% 5-yr bonds at 106, which pays interest annually. Assuming straight-line amortization, what is the total interest cost of the bonds?
Question: A satellite photographs a path on the surface of the Earth that is 1800 miles wide. Find the central angle that intercepts an arc 1800 miles on the surface of the Earth. (radius 3950 miles).
Harrison Township is studying a 700-acre site for a new landfill. The new site will save $70,000 in annual operating costs for 10 years, as Harrsion currently uses the landfill of neighboring municipality.
The intensity at a location 26 m away from the sound source is 3.40 10-4 W/m2. What is the intensity at a spot that is 84 m away?
A light truck with manual transmission has a circular brake drum with a diameter of d = 320 millimeters. Each brake pad, which presses against the drum, is s = 307 millimeters long. What central angle is subtended by one of the brake pads? Write y
Paulsen is considering the acquistion of a $217,750 machine that is expected to produce annual savings in cash operating costs of $50,000 over the next 6 years.
Resolve a force of 60lb into two components, one of which is 38lb and makes an angle of 45 degrees with the given force. Construct a triangle and use the law of sine and cosines.
It operates while immersed in a damping fluid, selected so that the oscillation amplitude will decrease to 1.00% of its initial value in 7.13s. Find the required damping constant for the system.
1947640
Questions Asked
3,689
Active Tutors
1437360
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
The patient presents with an area of calcification of the upper outer quadrant of the right breast identified on a mammogram.
Patient with CVC on fluid therapy. He told the nurse that bacteria are getting inside the CVC. What is the cause of possible infection?
Problem: Which aspect is most important for APNs to consider when prescribing for a patient with any disease process?
Problem: The best type of treatment programs for the chaotic life-style associated with substance use should include:
For this week's discussion, focus on strategies for searching for articles and sources. Please address the following questions in your initial post:
In an outpatient care setting, a healthcare risk management case arises concerning an impaired provider who demonstrates signs of substance abuse
What are all the things you are currently balancing as a nursing student? Work? School? Family?