« previous next »

Author Question: Raising the temperature of air will 1.decrease the speed of sound in the air. 2.increase the speed ... (Read 95 times)

geoffrey

  • Hero Member
  • *****
  • Posts: 880
on: Jul 28, 2018
Raising the temperature of air will
  1.decrease the speed of sound in the air.
  2.increase the speed of sound in the air.
  3.not affect the speed of sound in the air.
  4.sometimes increase and sometimes decrease the speed of sound in air.

Question 2

For which of the following will the phenomenon of wave interference apply? (Choose the best answer.)
  1.square-shaped pulses
  2.sinusoidal pulses
  3.triangular pulses
  4.all of these


xthemafja

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 28, 2018
Answer to Question 1

2

Answer to Question 2

4


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

geoffrey

  • Hero Member
  • *****
  • Posts: 880
Reply #2 on: Jul 28, 2018
TY


xthemafja

  • Sr. Member
  • ****
  • Posts: 348
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Browning and Gunning demonstrated that placental transfer tissues increase plant reproductive succes Browning and Gunning demonstrated that placental transfer tissues increase plant reproductive succes
Homeostasis is analogous to regulation of temperature via a thermostat. Homeostasis is analogous to regulation of temperature via a thermostat.
Energy imbalance establishes a temperature gradient between the tropics and the poles Energy imbalance establishes a temperature gradient between the tropics and the poles
Excessive video gaming decrease social and physical development in a child Excessive video gaming decrease social and physical development in a child
If the particle moves in a circle of radius 0.15 m at a speed of 3.0 m/s, what is the magnitude ... If the particle moves in a circle of radius 0.15 m at a speed of 3.0 m/s, what is the magnitude ...
A tsunami (tidal wave) traveling across deep water can have a speed of 750 km/h k m / h and a ... A tsunami (tidal wave) traveling across deep water can have a speed of 750 km/h k m / h and a ...
Video: Burn Animation

For a complete list of videos, visit our video library