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Author Question: A merry-go-round is spinning at a fixed rate. As a person is walking toward the edge, A) the ... (Read 86 times)

magmichele12

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on: Jul 29, 2018
A merry-go-round is spinning at a fixed rate. As a person is walking toward the edge,
 
  A) the force of static friction must increase in order for the person not to slide off.
  B) the force of static friction must decrease in order for the person not to slide off.
  C) the force of static friction such that the person does not slide off remains the same.

Question 2

A parallel-plate capacitor has a capacitance of 10 mF and is charged with a 20-V power supply.
 
  The power supply is then removed and a dielectric material of dielectric constant 4.0 is used to fill the space between the plates. What is the voltage now across the capacitor?
  A) 2.5 V B) 10 V C) 5.0 V D) 80 V E) 20 V


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brittrenee

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Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

C


magmichele12

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

peter

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Reply 3 on: Yesterday
Excellent

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