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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