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Author Question: Yuri, a Russian weightlifter, is able to lift 300 kg a distance 2.00 m in 2.00 s. What is his power ... (Read 100 times)

melina_rosy

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on: Jul 28, 2018
Yuri, a Russian weightlifter, is able to lift 300 kg a distance 2.00 m in 2.00 s. What is his power output?
 a. 500 W
  c. 2.94 kW
  b. 2.45 kW
  d. 9.80 kW

Question 2

Two point charges are 4 cm apart. They are moved to a new separation of 8 cm. By what factor does the resulting mutual force between them change?
 a. 1/4
  c. 1/2
  b. 2
  d. 4


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owenfalvey

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

C

Answer to Question 2

A


melina_rosy

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

covalentbond

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Reply 3 on: Yesterday
Excellent

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