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Author Question: A 55.0-kg box rests on a horizontal surface. The coefficient of static friction between the box and ... (Read 115 times)

P68T

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on: Jul 29, 2018
A 55.0-kg box rests on a horizontal surface. The coefficient of static friction between the box and the surface is 0.300. What horizontal force must be applied to the box for it to start sliding along the surface?
 
  What will be an ideal response?

Question 2

An excited atom decays to its ground state and emits a photon of red light. If instead the decay is to an intermediate state, then the light emitted could be
 
  A) red.
  B) violet.
  C) blue.
  D) any of these
  E) none of these


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ghepp

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

162 N

Answer to Question 2

Answer: E


P68T

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


ghepp

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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