This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Two in-phase loudspeakers that emit sound with the same frequency are placed along a wall and are ... (Read 107 times)

Alainaaa8

  • Hero Member
  • *****
  • Posts: 576
on: Jul 29, 2018
Two in-phase loudspeakers that emit sound with the same frequency are placed along a wall and are separated by a distance of 5.00 m.
 
  A person is standing 12.0 m away from the wall, equidistant from the loudspeakers. When the person moves 1.00 m parallel to the wall, she experiences destructive interference for the first time. What is the frequency of the sound? The speed of sound in air is 343 m/s.
  A) 211 Hz B) 422 Hz C) 674 Hz D) 512 Hz E) 256 Hz

Question 2

A slender uniform rod 100.00 cm long is used as a meter stick. Two parallel axes that are perpendicular to the rod are considered. The first axis passes through the 50-cm mark and the second axis passes through the 30-cm mark.
 
  What is the ratio of the moment of inertia through the second axis to the moment of inertia through the first axis? A) I2/I1 = 1.5
  B) I2/I1 = 1.7
  C) I2/I1 = 1.9
  D) I2/I1 = 2.1
  E) I2/I1 = 2.3
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

katheyjon

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly


Alainaaa8

  • Member
  • Posts: 576
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

fatboyy09

  • Member
  • Posts: 358
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

The FDA recognizes 118 routes of administration.

Movement of sound waves through the human ear. Movement of sound waves through the human ear.
The frequency of competition according to the number of species involved. The frequency of competition according to the number of species involved.
The first five reactions constitute the energy-investment phase of glycolysis The first five reactions constitute the energy-investment phase of glycolysis
Two normal frequency distributions with the same mean but different amounts of variation Two normal frequency distributions with the same mean but different amounts of variation
Paradoxical Movement of the Chest Wall Seen in Flail Chest Paradoxical Movement of the Chest Wall Seen in Flail Chest
Allelic phase analysis in human families A and B Allelic phase analysis in human families A and B
Video: Five phases of cardiac cycle & Atrial contraction

For a complete list of videos, visit our video library