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Author Question: Pumped storage generally will enable a utility to _______. a. increase the efficiency of their ... (Read 72 times)

melly21297

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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?


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aprice35067

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Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

1 180 N


melly21297

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

aliotak

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Reply 3 on: Yesterday
Wow, this really help

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