This topic contains a solution. Click here to go to the answer

Author Question: A turntable 45 cm in diameter starts from rest and makes its first complete revolution in 3.4 s with ... (Read 3 times)

vicotolentino

  • Hero Member
  • *****
  • Posts: 552
A turntable 45 cm in diameter starts from rest and makes its first complete revolution in 3.4 s with constant angular acceleration.
 
  If it maintains the same acceleration, how long will it take the turntable to make its second complete revolution?

Question 2

You carry a 7.0-kg bag of groceries 1.2m above the ground at constant speed across a 2.7m room. How much work do you do on the bag in the process?
 
  A) 157 J B) 82 J C) 0.00 J D) 185 J



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

at

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

1.4 s

Answer to Question 2

C




vicotolentino

  • Member
  • Posts: 552
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review


dyrone

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

For a complete list of videos, visit our video library