PHY 317K
HOMEWORK # 1
DUE on September 8, 2009 by 8:00pm
Instructions:
Use a UT ANSWER SHEET to mark answers. Provide your
NAME
(last, first),
UTEID
, and
UNIQUE NUMBER
of the course. Sign and date it. The answer sheets must be
placed in the
317K box
located outside PAI 2.48.
Late homework will not be graded
.
Answer the following 52 questions:
1. Your car gets 30.2 mi/gal on a trip.
How many kilometers/liter did it get?
A) 7.97 km/L
B) 12.8 km/L
C) 18.0 km/L
D) 28.2 km/L
E) 48.6 km/L
2. A nanosecond is:
A) 10
9
s
B) 10
–9
s
C) 10
–10
s
D) 10
–11
s
E) 10
–12
s
3. The SI base unit for mass is the:
4. (5.0
×
10
4
)
×
(3.0
×
10
6
) =
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5. The number of significant figures in 0.000330 is:
6. The number of significant figures in 650.0 is:
A) 1
B) 2
C) 3
D) 4
E) 5
7. 7.513 + 27.3 =
8. One mile is equivalent to 1609 m, so 65 mph (miles per hour) is:
9. A sphere with a radius of 2.4 cm has a surface area of:
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