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

Author Question: If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is a. 3/40 m/s b. 40/3 m/s c. ... (Read 54 times)

magmichele12

  • Hero Member
  • *****
  • Posts: 559
on: Jul 28, 2018
If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is
 a. 3/40 m/s
  b. 40/3 m/s
  c. 60p/400 m/s
  d. 400/60p m/s
  e. 400 m/s

Question 2

The fundamental frequency of a above middle C on the piano is 440 Hz. This is the tenor high A, but a convenient note in the mid-range of women's voices. When we calculate the wavelength, we find that it is
 a. much shorter than the length of either a man's or woman's lips.
  b. shorter than the length of a man's lips, but about the length of a woman's lips.
  c. longer than a woman's lips, but about the length of a man's lips.
  d. much longer than the length of either a man's or a woman's lips.
  e. about the same length as either a man's or woman's lips.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

akemokai

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

D


magmichele12

  • Member
  • Posts: 559
Reply 2 on: Jul 28, 2018
Excellent

rachel

  • Member
  • Posts: 323
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Electrocardiography. (a) Electrodes are placed on the patient’s chest to record the electrical event Electrocardiography. (a) Electrodes are placed on the patient’s chest to record the electrical event
Slow-Wave Sleep and Learning Slow-Wave Sleep and Learning
A Wave Machine Generating Electricity off the Coast of Portugal A Wave Machine Generating Electricity off the Coast of Portugal
Repeating Units of DNA and RNA Repeating Units of DNA and RNA
How to convert between imperial and metric units (Part 2) How to convert between imperial and metric units (Part 2)
If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is
Video: Endocytosis - pinocytosis, receptor mediated and Transcytosis

For a complete list of videos, visit our video library