Author Question: During a nuclear reaction, the particles involved lose 4.8 10-28 kg of mass. How many joules of ... (Read 123 times)

darbym82

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During a nuclear reaction, the particles involved lose 4.8  10-28 kg of mass. How many joules of energy are released by this reaction? (c = 3.00  108 m/s)
 
  A) 1.4  10-19 J
  B) 5.3  10-45 J
  C) 2.1  10-40 J
  D) 4.3  10-11 J
  E) 1.6  10-36 J

Question 2

The focal lengths of the objective lens and the eyepiece of a microscope are 0.50 cm and 2.0 cm, respectively, and their separation adjusted for minimum eyestrain is 6.0 cm.
 
  If the microscope is focused on a small object, what is the distance between the object and the objective lens?
  A) 0.73 cm B) 0.31 cm C) 0.57 cm D) 0.49 cm E) 0.42 cm


fromAlphatoOmega22

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Answer to Question 1

D

Answer to Question 2

C



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