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

Author Question: If a wave has a wavelength of 25.4 cm and a frequency of 1.63 kHz, its speed is closest to A) ... (Read 251 times)

jCorn1234

  • Hero Member
  • *****
  • Posts: 545
on: Jul 29, 2018
If a wave has a wavelength of 25.4 cm and a frequency of 1.63 kHz, its speed is closest to
 
  A) 0.414 m/s
  B) 41.4 m/s
  C) 414 m/s
  D) 41,400 m/s
  E) 15.6 m/s

Question 2

Air is flowing through a rocket nozzle. Inside the rocket the air has a density of 5.25 kg/m3 and a speed of 1.20 m/s.
 
  The interior diameter of the rocket is 15.0 cm. At the nozzle exit, the diameter is 2.50 cm and the density is 1.29 kg/m3. What is the speed of the air when it leaves the nozzle?
  A) 176 m/s B) 123 m/s C) 88.0 m/s D) 45.7 m/s E) 29.3 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

diana chang

  • Sr. Member
  • ****
  • Posts: 288
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

A


jCorn1234

  • Hero Member
  • *****
  • Posts: 545
Reply #2 on: Jul 29, 2018
TY


diana chang

  • Sr. Member
  • ****
  • Posts: 288
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

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?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

(A) Dornier Compact Delta® lithotripsy system. Acoustic shock waves generated by the shock-wave-gene (A) Dornier Compact Delta® lithotripsy system. Acoustic shock waves generated by the shock-wave-gene
Organization of Spatial Frequency Organization of Spatial Frequency
J. M. W. Turner, Rain, Steam, and Speed—The Great Western Railway. J. M. W. Turner, Rain, Steam, and Speed—The Great Western Railway.
At what speed does Grogzetti need to take the curve to avoid sliding? At what speed does Grogzetti need to take the curve to avoid sliding?
Frequency of Heterozygotes for Some Recessive Traits in Several Populations Frequency of Heterozygotes for Some Recessive Traits in Several Populations
The consequences of the intensity of natural selection on allele frequency. The consequences of the intensity of natural selection on allele frequency.
Video: Cataract

For a complete list of videos, visit our video library