This topic contains a solution. Click here to go to the answer

Author Question: As atmospheric pressure increases, what happens to the velocity of sound? (Assume that all other ... (Read 23 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
As atmospheric pressure increases, what happens to the velocity of sound? (Assume that all other factors remain constant.)
 
  A) It increases.
  B) It decreases.
  C) It does not change.
  D) It increases on warm days and decreases on cold days.

Question 2

A simple pendulum consists of a mass M attached to a weightless string of length L. For this system, when undergoing small oscillations
 
  A) the frequency is independent of the length L.
  B) the frequency is proportional to the amplitude.
  C) the frequency is independent of the mass M.
  D) the frequency is proportional to the period.
  E) the period is proportional to the amplitude.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

maaaaaaaaaa

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

C

Answer to Question 2

C




Charlie

  • Member
  • Posts: 640
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review


kishoreddi

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Excellent

 

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

For a complete list of videos, visit our video library