If electrons are accelerated from rest in a 30 MeV tandem Van de ...

[sabina]

If electrons are accelerated from rest in a 30 MeV tandem Van de Graaff Accelerator, what is their final kinetic energy?
 
  A)
 
  15 MeV
  B)
 
  20 MeV
  C)
 
  30 MeV
  D)
 
  40 MeV
  E)
 
  60 MeV

Question 2

A Carnot cycle operates with an efficiency 0.60 between a low temperature heat bath at 20.0C and a high temperature heat bath. What is the temperature of the high temperature heat bath?
 
  A)
 
  33.3C
 
  B)
 
  50.0C
 
  C)
 
  489C
 
  D)
 
  460C
 
  E)
 
  215C

[frankwu0507]

Answer to Question 1

C

Answer to Question 2

D

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