As a body falls through air starting from rest, its velocity a. ...

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As a body falls through air starting from rest, its velocity
 a. stays constant
  b. continuously decreases
  c. continuously increases
  d. gets larger and larger, eventually reaching a constant value
  e. gets smaller and smaller, eventually approaching zero

Question 2

What is one difference between a rad and a rem?
 a. A rad measures an amount of radiation and a rem measures a biological effect.
  b. A rad measures a biological effect and a rem measures an amount of radiation.
  c. Rem is an older term for rad.
  d. One rem equals 100 rads.
  e. One rad equals 100 rems.

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Answer to Question 1

D

Answer to Question 2

a

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