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 28 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
Thanks for the timely response, appreciate it

AISCAMPING

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

« previous next »
 

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

A Coronal Mass Ejection A Coronal Mass Ejection
An Action Potential An Action Potential
Ice, liquid water, and water vapor Ice, liquid water, and water vapor
5-4 The relationship between vapor pressure and temperature—in this case for water. As the ... 5-4 The relationship between vapor pressure and temperature—in this case for water. As the ...
Reaction 6: Generation of the First Energy-Rich Compound Reaction 6: Generation of the First Energy-Rich Compound
What mass, in grams, of a 5.00% by mass sugar water solution is needed to supply What mass, in grams, of a 5.00% by mass sugar water solution is needed to supply
Video: Immune responses Animation

For a complete list of videos, visit our video library