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Author Question: The probability that a hydrogen atom's electron will be at a certain distance from the proton is ... (Read 62 times)

krzymel

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on: Jul 28, 2018
The probability that a hydrogen atom's electron
  will be at a certain distance from the proton is
  given by
  a) the principal quantum number of the electron.
  b) the electron's de Broglie wavelength.
  c) the binding energy of the electron.
  d) the square of the electron's Schrdinger wave function.

Question 2

A 1.6-kg ball is attached to the end of a 0.40-m string to form a pendulum. This pendulum is released from rest with the string horizontal. At the lowest point of its swing, when it is moving horizontally, the ball collides with a 0.80-kg block initially at rest on a horizontal frictionless surface. The speed of the block just after the collision is 3.0 m/s. What is the speed of the ball just after the collision?
 a. 1.7 m/s
  b. 1.1 m/s
  c. 1.5 m/s
  d. 1.3 m/s
  e. 2.1 m/s


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xiazhe

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

d

Answer to Question 2

d


krzymel

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  • Posts: 548
Reply 2 on: Jul 28, 2018
Gracias!

juliaf

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Reply 3 on: Yesterday
Wow, this really help

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