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

Author Question: Pumped storage generally will enable a utility to _______. a. increase the efficiency of their ... (Read 18 times)

melly21297

  • Hero Member
  • *****
  • Posts: 565
on: Jul 28, 2018
Pumped storage generally will enable a utility to _______.
 a. increase the efficiency of their electrical generating system
  b. store energy until the demand is high enough
  c. raise electrons to higher energy states
  d. increase their electrical potential energy

Question 2

A high-diver of mass 70.0 kg jumps off a board 10.0 m above the water. If, two seconds after entering the water, his downward motion is stopped, what average upward force did the water exert on him?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aprice35067

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

1 180 N


melly21297

  • Member
  • Posts: 565
Reply 2 on: Jul 28, 2018
Wow, this really help

dyrone

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

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

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Young adults increase in self-esteem between the ages of 18 and 25, according to this longitudinal s Young adults increase in self-esteem between the ages of 18 and 25, according to this longitudinal s
The age-related increase in spirituality is different for two cohorts born seven years apart. The ... The age-related increase in spirituality is different for two cohorts born seven years apart. The ...
A typical aboveground oil storage tank. A typical aboveground oil storage tank.
Compression used to increase circulation when the athlete is clothed. Compression used to increase circulation when the athlete is clothed.
A concrete wall of a cold storage room measures 3.0 m high, 5.0 m wide, and 20 cm thick. The ... A concrete wall of a cold storage room measures 3.0 m high, 5.0 m wide, and 20 cm thick. The ...
The heart and its major blood vessels. Oxygen-rich blood is pumped from the lungs to the left The heart and its major blood vessels. Oxygen-rich blood is pumped from the lungs to the left
Video: Fetal development - Weeks 9 to 38

For a complete list of videos, visit our video library