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Author Question: What is the length of a simple pendulum with a period of 2.0 s? A) 20 m B) 0.99 m C) 1.2 m D) ... (Read 122 times)

jparksx

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What is the length of a simple pendulum with a period of 2.0 s?
 
  A) 20 m
  B) 0.99 m
  C) 1.2 m
  D) 1.6 m
  E) 0.87 m

Question 2

Light with a wavelength of 310 nm is incident on a metal that has a work function of 3.80 eV. What is the maximum kinetic energy that a photoelectron ejected in this process can have?
 
  (1 eV = 1.60  10-19 J, c = 3.00  108 m/s, h = 6.626  10-34 J  s)
  A) 0.62  10-19 J
  B) 0.21  10-19 J
  C) 0.36  10-19 J
  D) 0.48  10-19 J
  E) 0.33  10-19 J


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1_Step_At_ATime

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