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Author Question: Exceedingly high temperatures are needed in a fusion reactor because _______. a. electrostatic ... (Read 53 times)

Diane

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on: Jul 28, 2018
Exceedingly high temperatures are needed in a fusion reactor because _______.
 a. electrostatic barriers must be overcome
  b. the fuel must be ionized
  c. combustion needs heat to occur
  d. water must be boiled and pressurized.

Question 2

A 0.20-kg object attached to the end of a string swings in a vertical circle (radius = 80 cm). At the top of the circle the speed of the object is 4.5 m/s. What is the magnitude of the tension in the string at this position?
 a. 7.0 N
  b. 2.0 N
  c. 3.1 N
  d. 5.1 N
  e. 6.6 N


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aloop

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

a

Answer to Question 2

C


Diane

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Reply 2 on: Jul 28, 2018
Gracias!

Dominic

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Reply 3 on: Yesterday
Wow, this really help

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