W 7 February 2007
CODE # 1
1:00 p.m. – 1:50 p.m.
PHYSICS 114
First Hour Exam
INSTRUCTIONS:
Answer each question. All questions carry equal weight. You should calculate your
answers to three (3) significant figures. Your answer may not agree exactly with one of
the possible answers, but your answer, if correct should agree with one of the possible
answers to at least two (2) significant figures.
Be sure to enter the code number, found in the upper right corner of this page, in the
appropriate box in your scantron answer sheet. All information supplied by you on your
scantron sheet
must
be left justified, that is it must be entered beginning at the left hand
end of the entry box.
1.
A body moves along the xaxis starting from x
0
= 7.00 m and travels out to x = 62.0
m, before turning around and traveling back to x = 8.00 m. What is the total distance
traveled by this body?
(a)
115 m
(b) 74.0 m
(c)
103 m
(d) 125 m
(e)
137 m
2.
A jogger runs 2.85 km due North, then turns around and runs 6.45 km due South, the
whole trip taking 627 s. Determine the average velocity for this trip.
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 Spring '08
 DAVIS
 Acceleration, m/s, A. Runner B

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