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

Author Question: A 1000-kg car and a 2000-kg car are hoisted to the same height. Raising the more massive car ... (Read 4 times)

Pineappleeh

  • Hero Member
  • *****
  • Posts: 585
A 1000-kg car and a 2000-kg car are hoisted to the same height. Raising the more massive car requires
 
  A) less work.
  B) as much work.
  C) twice as much work.
  D) four times as much work.
  E) more than four times as much work.

Question 2

The unit kilowatt-hour is a unit of
 
  A) energy.
  B) momentum.
  C) power.
  D) time.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jgranad15

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A




Pineappleeh

  • Member
  • Posts: 585
Reply 2 on: Jul 29, 2018
Gracias!


vickybb89

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Excellent

 

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

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?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

For a complete list of videos, visit our video library