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

Author Question: A 5.0-m radius playground merry-go-round with a moment of inertia of 2000 kg m2 is rotating freely ... (Read 129 times)

Wadzanai

  • Hero Member
  • *****
  • Posts: 528
on: Jul 29, 2018
A 5.0-m radius playground merry-go-round with a moment of inertia of 2000 kg  m2 is rotating freely with an angular speed of 1.0 rad/s.
 
  Two people, each of mass 60 kg, are standing right outside the edge of the merry-go-round and suddenly step onto the edge with negligible speed relative to the ground. What is the angular speed of the merry-go-round right after the two people have stepped on? A) 0.20 rad/s
  B) 0.40 rad/s
  C) 0.60 rad/s
  D) 0.80 rad/s
  E) 0.67 rad/s

Question 2

If the sum of the external torques on an object is zero, then the sum of the external forces on it must also be zero.
 
  A) True B) False
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

djpooyouma

  • Sr. Member
  • ****
  • Posts: 325
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 25% of students answer this correctly


Wadzanai

  • Hero Member
  • *****
  • Posts: 528
Reply #2 on: Jul 29, 2018
TY


djpooyouma

  • Sr. Member
  • ****
  • Posts: 325
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Rotating phylogenetic trees Rotating phylogenetic trees
Fibroid tumors, or leiomyomas. Fibroids develop from the uterus to form a variety of hard, round ben Fibroid tumors, or leiomyomas. Fibroids develop from the uterus to form a variety of hard, round ben
All living apes possess rotating, suspensory shoulders, including humans. All living apes possess rotating, suspensory shoulders, including humans.
How to round numbers with significant digits How to round numbers with significant digits
Normal red blood cells (round) and sickled red blood cells Normal red blood cells (round) and sickled red blood cells
The radius of the Sun is 6.95 × 108 m. It radiates heat at the rate of 5.32 x 10 The radius of the Sun is 6.95 × 108 m. It radiates heat at the rate of 5.32 x 10
Video: Atrial natriuretic peptide (vasodilation) & Aldosterone

For a complete list of videos, visit our video library