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 10 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
Great answer, keep it coming :)

Dnite

  • Member
  • Posts: 297
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

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?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

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.

Massive Bat Massive Bat
Measuring the client’s height with a platform scale Measuring the client’s height with a platform scale
Measuring a child’s height with a measuring stick Measuring a child’s height with a measuring stick
Allis’ sign—demonstration of unequal knee height Allis’ sign—demonstration of unequal knee height
A 2-kg box of taffy candy has 40 J of potential energy relative to the ground. Its height above ... A 2-kg box of taffy candy has 40 J of potential energy relative to the ground. Its height above ...
Charlie Stone wants to retire in 30 years, and he wants to have an annuity of $1000 a year for ... Charlie Stone wants to retire in 30 years, and he wants to have an annuity of $1000 a year for ...
Video: Brain Lobes Animation

For a complete list of videos, visit our video library