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

Author Question: Which of the following is a prime number? A) 13 B) 21 C) 49 D) ... (Read 39 times)

CQXA

  • Hero Member
  • *****
  • Posts: 546
Which of the following is a prime number?
 
  A) 13
  B) 21
  C) 49
  D) 15

Question 2

Two violin strings, vibrating at 880. Hz and 876. Hz respectively, will cause a beat frequency of
 
  A) 4. Hz.
  B) 8. Hz.
  C) 16. Hz.
  D) 878. Hz.
  E) 1.76 kHz.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amcvicar

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

A

Answer to Question 2

A



CQXA

  • Hero Member
  • *****
  • Posts: 546

amcvicar

  • Sr. Member
  • ****
  • Posts: 341
Always glad to help...



 

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

For a complete list of videos, visit our video library