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Author Question: A particle (q = +5.0 C) is released from rest when it is 2.0 m from a charged particle which is held ... (Read 276 times)

asan beg

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on: Jul 28, 2018
A particle (q = +5.0 C) is released from rest when it is 2.0 m from a charged particle which is held at rest. After the positively charged particle has moved 1.0 m toward the fixed particle, it has a kinetic energy of 50 mJ. What is the charge on the fixed particle?
 a. 2.2 C
  b. +6.7 C
  c. 2.7 C
  d. +8.0 C
  e. 1.1 C

Question 2

Two particles, each having a mass of 3.0 g and having equal but opposite charges of magnitude of 6.0 nC, are released simultaneously from rest when they are a very large distance apart. What distance separates the two at the instant when each has a speed of 5.0 m/s?
 a. 4.3 mm
  b. 8.6 mm
  c. 7.3 mm
  d. 5.6 mm
  e. 2.2 mm


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Beatricemm

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

a

Answer to Question 2

a


asan beg

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Reply 2 on: Jul 28, 2018
Gracias!

yeungji

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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