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 27 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
Excellent

chereeb

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

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?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

A typical eye wash station. A thorough flushing of the eyes with water is the first and often the ... A typical eye wash station. A thorough flushing of the eyes with water is the first and often the ...
A single overhead camshaft engine with a timing belt that also rotates the water pump. A single overhead camshaft engine with a timing belt that also rotates the water pump.
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 ...
Energy Balance and Imbalances Energy Balance and Imbalances
Energy Transfer Energy Transfer
Ionization energy Ionization energy
Video: Cellular Defects - Osteoblasts, Osteoclasts and Osteocytes

For a complete list of videos, visit our video library