A spring is stretched 10 cm by a suspended 1-kg block. If two such springs side-by-side are used to suspend the 1-kg block, each spring will then stretch
A) 5 cm.
B) 10 cm.
C) 20 cm.
D) 30 cm.
E) none of the above
Answer: A
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Indicate whether the statement is true or false
Water is an example of a(n):
a. atom b. ion c. compound d. mixture e. element