« previous next »

Author Question: The pitch of a sound is determined by A) the amplitude. B) the speed. C) the frequency. D) the ... (Read 105 times)

APUS57

  • Hero Member
  • *****
  • Posts: 571
on: Jul 29, 2018
The pitch of a sound is determined by
 
  A) the amplitude.
  B) the speed.
  C) the frequency.
  D) the wavelength.
  E) none of the above

Question 2

Jan and Len throw identical rocks off a tall building at the same time. The ground near the building is flat. Jan throws her rock straight downward.
 
  Len throws his rock downward and outward such that the angle between the initial velocity of the rock and the horizon is 30. Len throws the rock with a speed twice that of Jan's rock. If air resistance is negligible, which rock hits the ground first? A) They hit at the same time.
  B) Jan's rock hits first.
  C) Len's rock hits first.
  D) It is impossible to know from the information given.


Sarahjh

  • Sr. Member
  • ****
  • Posts: 370
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Paland and Lynch demonstrated the importance of sexual reproduction in reducing the frequency of mal Paland and Lynch demonstrated the importance of sexual reproduction in reducing the frequency of mal
Path of sound vibrations. Path of sound vibrations.
Role of alternative splicing in the perception of sounds of different frequency Role of alternative splicing in the perception of sounds of different frequency
Speed of Convergence to the Steady State Speed of Convergence to the Steady State
State the amplitude, period, equation of the axis, and maximum and minimum value State the amplitude, period, equation of the axis, and maximum and minimum value
The consequences of the intensity of natural selection on allele frequency. The consequences of the intensity of natural selection on allele frequency.
Video: Acid-base imbalances - metabolic acidosis and alkalosis

For a complete list of videos, visit our video library