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Author Question: If the position of an electron (m = 9.11 10-31 kg) could be measured to within 10-30 m, the ... (Read 41 times)

aabwk4

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on: Jul 28, 2018
If the position of an electron (m = 9.11  10-31 kg) could be measured to within 10-30 m, the uncertainty in the magnitude of its speed could be as much as
 a. 6  10-34 m/s.
  b. 6  1025 m/s.
  c. 6  1030 m/s.
  d. 1031 m/s.
  e. 1061 m/s.

Question 2

A baseball (1 kg) has an energy of 100 joules. If its uncertainty in position is 1 m, what is the percentage uncertainty (Dp/p  100) in the momentum of the baseball?
 a. <<1
  b. 1
  c. 2
  d. 5
  e. 10


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ngr69

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

B

Answer to Question 2

A


aabwk4

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Reply 2 on: Jul 28, 2018
Gracias!

coreycathey

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Reply 3 on: Yesterday
:D TYSM

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