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Home Q & A Board Science-Related Homework Help Physics Astronomy
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malaka33 malaka33
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6 years ago
The moment of inertia of a solid cylinder about its axis is given by 0.5MR2. If this cylinder rolls without slipping, the ratio of its rotational kinetic energy to its translational kinetic energy is
 
  A) 1:2
  B) 1:3
  C) 2:1
  D) 1:1
  E) 3:1

Question 2

Einstein's General Theory of Relativity tells us that a photon traveling close to a massive object will
 
  A) travel in a straight line past the object
  B) follow the curvature of spacetime around the object
  C) be reflected by the object
  D) be absorbed by the object

Question 3

A certain particle's energy is known within 10-18 J. What is the minimum uncertainty in its arrival time at a detector?
 
  A) 10-15 s
  B) 10-14 s
  C) 10-13 s
  D) 10-12 s
  E) 10-16 s

Question 4

During a reaction, an element loses 4.8  10-28 kg of mass. How much energy (in Joules) is released?
 
  A) 4.3  10-11 J
  B) 1.4  10-19 J
  C) 1.6  10-36 J
  D) 2.1  10-40 J
  E) 5.3  10-45 J
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ustropicsustropics
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6 years ago
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malaka33 Author
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#2
6 years ago
Thank you for taking the time to explain this, just got my quiz back: Perfect
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