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

Author Question: A 1000-kg car and a 2000-kg car are hoisted to the same height. Raising the more massive car ... (Read 34 times)

Pineappleeh

  • Hero Member
  • *****
  • Posts: 585
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A


Pineappleeh

  • Member
  • Posts: 585
Reply 2 on: Jul 29, 2018
:D TYSM

aruss1303

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Foliage height diversity and bird species diversity (data from MacArthur and MacArthur 1961). Foliage height diversity and bird species diversity (data from MacArthur and MacArthur 1961).
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
The adolescent growth spurt in humans is seen as a “bump” in the height curve and a “spike” in the h The adolescent growth spurt in humans is seen as a “bump” in the height curve and a “spike” in the h
In many industrialized nations, men are having children at older ages, raising the possibility of ... In many industrialized nations, men are having children at older ages, raising the possibility of ...
Nomogram chart. This example shows a line drawn from a child’s height of 100 cm to his weight, 35 ... Nomogram chart. This example shows a line drawn from a child’s height of 100 cm to his weight, 35 ...
The relationship between the height of the firing line and length of the spark line can be ... The relationship between the height of the firing line and length of the spark line can be ...
Video: Splitting of Sugar, Oxidation/ Reduction & ATP Generation

For a complete list of videos, visit our video library