« previous next »

Author Question: A harmonic oscillator starts with an amplitude of 20.0 cm. After 10.0 s, the amplitude decreases to ... (Read 146 times)

sc00by25

  • Hero Member
  • *****
  • Posts: 596
on: Jul 29, 2018
A harmonic oscillator starts with an amplitude of 20.0 cm. After 10.0 s, the amplitude decreases to 15.0 cm. If the linear damping coefficient is 2.00 Ns/m, how much mass is oscillating?
 
  A)
 
  30.0 kg
 
  B)
 
  15.0 kg
 
  C)
 
  34.8 kg
 
  D)
 
  17.9 kg
 
  E)
 
  3.88 kg

Question 2

A packing crate slides down an inclined ramp at constant velocity. Thus we can deduce that
 
  A)
 
  a frictional force is acting on it.
  B)
 
  a net downward force is acting on it.
  C)
 
  a net upward force is acting on it.
  D)
 
  it is not acted on by appreciable normal force.
  E)
 
  it is not acted on by appreciable gravitational force.


carolinefletcherr

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

(a) Longevity decreases with increased horn-length breeding value of harvested rams. (b) Mean-weight (a) Longevity decreases with increased horn-length breeding value of harvested rams. (b) Mean-weight
Ignition timing marks are found on the harmonic balancers that are equipped with distributor ... Ignition timing marks are found on the harmonic balancers that are equipped with distributor ...
How to write a sine function when given the amplitude, period, and phase shift How to write a sine function when given the amplitude, period, and phase shift
Harmonic Progression Harmonic Progression
A bus starts from restat a station and accelerates at a rate of 2 m/s^2 for 15 seconds. It then runs A bus starts from restat a station and accelerates at a rate of 2 m/s^2 for 15 seconds. It then runs
Tubular portion of one nephron, cutaway view. The tubule starts at Bowman’s capsule. Tubular portion of one nephron, cutaway view. The tubule starts at Bowman’s capsule.
Video: Appendicitis Animation

For a complete list of videos, visit our video library