« 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 92 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?

Medication errors are three times higher among children and infants than with adults.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

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

Time Line of Human History From Upper Paleolithic Period to the Present Time Line of Human History From Upper Paleolithic Period to the Present
Sarah Sze, Triple Point (Pendulum). Sarah Sze, Triple Point (Pendulum).
Frequency coding: how action potentials convey intensity of stimuli. Frequency coding: how action potentials convey intensity of stimuli.
The cartoonist’s hyperbole makes an excellent commentary on the social class disparity of our ... The cartoonist’s hyperbole makes an excellent commentary on the social class disparity of our ...
Embryonic Period Embryonic Period
Video: Summary of female reproductive cycle days 1-28

For a complete list of videos, visit our video library