« previous next »

Author Question: If a pendulum makes 12 complete swings in 8.0 s, what are its (a) frequency and (b) period? What ... (Read 101 times)

JGIBBSON

  • Hero Member
  • *****
  • Posts: 538
on: Jul 29, 2018
If a pendulum makes 12 complete swings in 8.0 s, what are its (a) frequency and (b) period?
 
  What will be an ideal response?

Question 2

A sewing machine needle moves in simple harmonic motion with a frequency of 2.5 Hz and an amplitude of 1.27 cm.
 
  (a) How long does it take the tip of the needle to move from the highest point to the lowest point in its travel? (b) How long does it take the needle tip to travel a total distance of 11.43 cm?


Carissamariew

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jul 29, 2018
Answer to Question 1

(a) 1.5 Hz (b) 0.67 s

Answer to Question 2

(a) 0.20 s (b) 0.90 s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Time Line of Human History From Upper Paleolithic Period to the Present Time Line of Human History From Upper Paleolithic Period to the Present
EMR Complete: A Worktext (Limmer) EMR Complete: A Worktext (Limmer)
Embryonic Period - 3rd week Embryonic Period - 3rd week
Embryonic Period - 7th week Embryonic Period - 7th week
Frequency distribution of phenotypes from the possible offspring in Figure 5.7. Height of the offspr Frequency distribution of phenotypes from the possible offspring in Figure 5.7. Height of the offspr
Complete Life cycle of cherry (Prunus), a eudicot Complete Life cycle of cherry (Prunus), a eudicot
Video: The Pressure Flow Model in a Plant

For a complete list of videos, visit our video library