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

Author Question: Suppose you slowly, and at constant speed, lift a book weighing 12 N from the floor to a shelf 2 m ... (Read 93 times)

neverstopbelieb

  • Hero Member
  • *****
  • Posts: 534
Suppose you slowly, and at constant speed, lift a book weighing 12 N from the floor to a shelf 2 m above the floor. Neglect air resistance. The work done by you on the book is
 
  A) 24 watts. B) 6 joules. C) 6 watts. D) 24 joules. E) zero.

Question 2

Strictly speaking, when you step off a curb you are momentarily
 
  A) in orbit.
  B) weightless.
  C) in space.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

angrybirds13579

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

D

Answer to Question 2

Answer: B




neverstopbelieb

  • Member
  • Posts: 534
Reply 2 on: Jul 29, 2018
Excellent


carlsona147

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

For a complete list of videos, visit our video library