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

Author Question: The mass of 1 m3 of fresh water is 1,000 kg. At the top of a hydroelectric dam the potential energy ... (Read 57 times)

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
on: Jul 29, 2018
The mass of 1 m3 of fresh water is 1,000 kg. At the top of a hydroelectric dam the potential energy of the water is
 a. 1,000 N. b. 9,800 N.
  c. 500 N. d. There is not enough information to calculate the potential energy.

Question 2

A kid slides down an icy (frictionless) hill starting from rest. At the top his gravitational potential energy is 500 J.Suppose after reaching the bottom he then continues sliding up another icy slope on the other side of the valley. When he finally comes to a stop he will have reached a height
 a. equal to the height he started from on the other hill.
  b. less than the height he started from on the other hill.
  c. more than the height he started from on the other hill.
  d. none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

diesoon

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jul 29, 2018
Answer to Question 1

d

Answer to Question 2

a


V@ndy87

  • Member
  • Posts: 571
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

JaynaD87

  • Member
  • Posts: 368
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

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?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Energy-flow diagram for a Georgia salt marsh. Energy-flow diagram for a Georgia salt marsh.
Energy flow and chemical recycling in ecosystems. Energy flow and chemical recycling in ecosystems.
A Coronal Mass Ejection A Coronal Mass Ejection
Ice, liquid water, and water vapor Ice, liquid water, and water vapor
EAT YOUR WATER EAT YOUR WATER
Percentage of Americans Living in Communities with a Fluoridated Water Supply, by State. 2012 Percentage of Americans Living in Communities with a Fluoridated Water Supply, by State. 2012
Video: Carbohydrate digestion - mouth and stomach & pancreas and small intestine

For a complete list of videos, visit our video library