« 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 83 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?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

The grey side-gilled sea slug Pleurobranchaea maculata. The discovery of tetrodotoxin in this slug i The grey side-gilled sea slug Pleurobranchaea maculata. The discovery of tetrodotoxin in this slug i
(a) Initial mtDNA results suggested modern humans and Neadertals were equally distantly related to D (a) Initial mtDNA results suggested modern humans and Neadertals were equally distantly related to D
After verifying that the tester is capable of correctly reading the air frequency, gasoline is ... After verifying that the tester is capable of correctly reading the air frequency, gasoline is ...
How Long Do You Ovulate After Your Period? How Long Do You Ovulate After Your Period?
Computers Are Your Future Complete Computers Are Your Future Complete
Consider a two-period economy with no investment opportunities: first and second period output ... Consider a two-period economy with no investment opportunities: first and second period output ...
Video: Phlebotomy

For a complete list of videos, visit our video library