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 43 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
Wow, this really help


samiel-sayed

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Excellent

 

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

For a complete list of videos, visit our video library