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Author Question: What happens to the half-life of a radioactive substance as we increase its temperature? A) It ... (Read 52 times)

kellyjaisingh

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on: Jul 29, 2018
What happens to the half-life of a radioactive substance as we increase its temperature?
 
  A) It does not change.
  B) It increases.
  C) It decreases at a constant rate.
  D) It decreases at an exponential rate.

Question 2

A toy is 14 cm in front of a convex spherical mirror. If the image of the toy is 5.8 cm behind the mirror, what is the focal length of the mirror?
 
  A) -4.1 cm
  B) +20 cm
  C) -9.9 cm
  D) -20 cm
  E) +9.9 cm


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fauacakatahaias

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

A

Answer to Question 2

C


kellyjaisingh

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Reply 2 on: Jul 29, 2018
Gracias!

komodo7

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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