This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: How much mass should be attached to a vertical ideal spring having a spring constant (force ... (Read 132 times)

rlane42

  • Hero Member
  • *****
  • Posts: 594
on: Jul 29, 2018
How much mass should be attached to a vertical ideal spring having a spring constant (force constant) of 39.5 N/m so that it will oscillate at 1.00 Hz?
 
  A) 39.5 kg
  B) 2.00 kg
  C) 1.00 kg
  D) 1.56 kg
  E) 6.29 kg

Question 2

A figure skater rotating at 5.00 rad/s with arms extended has a moment of inertia of 2.25 kg  m2. If he pulls in his arms so his moment of inertia decreases to 1.80 kg  m2, what will be his new angular speed?
 
  A) 2.25 rad/s
  B) 4.60 rad/s
  C) 6.25 rad/s
  D) 0.81 rad/s
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bigsis44

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 55% of students answer this correctly


rlane42

  • Hero Member
  • *****
  • Posts: 594
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


bigsis44

  • Sr. Member
  • ****
  • Posts: 317
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

The cultural and racial–ethnic diversity of today’s work force has led to the need for diversity ... The cultural and racial–ethnic diversity of today’s work force has led to the need for diversity ...
Hall-effect switches use metallic shutters to shunt magnetic lines of force away from a silicon ... Hall-effect switches use metallic shutters to shunt magnetic lines of force away from a silicon ...
When both sides of the back have been massaged, redrape the back. With light to moderate force, use ... When both sides of the back have been massaged, redrape the back. With light to moderate force, use ...
Polar ice caps lose mass as surface ice melts Polar ice caps lose mass as surface ice melts
finding the resultant force finding the resultant force
Calculate the atomic mass of element Calculate the atomic mass of element
Video: Stroke volume - preload, sarcomere length and Frank -Starling law

For a complete list of videos, visit our video library