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 243 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 first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

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

Center of Mass of a Binary Star System Center of Mass of a Binary Star System
Muscle length versus isometric force Muscle length versus isometric force
The Gun Foundry in Cold Spring, New York, by John Ferguson Weir conveys how much The Gun Foundry in Cold Spring, New York, by John Ferguson Weir conveys how much
The proportion of adults 55 to 64 in the labor force in Germany, Italy, and France is low and has ... The proportion of adults 55 to 64 in the labor force in Germany, Italy, and France is low and has ...
Advection of an air mass with a different ELR (environmental lapse rate). Advection of an air mass with a different ELR (environmental lapse rate).
I need help soon some questions attached I need help soon some questions attached
Video: Global warming and its effect on climate change

For a complete list of videos, visit our video library