# Physics Test ```Physics Test
Chapter 1 &amp; 2
_______________
Name
1) How many significant figures are in each of the following?
(6)
_____a. 10.43
_____b. 2.4010
_____c. 0.02
_____d. 3.786
_____e. 3.20 x 106
_____f. 24.01
2) Write the equivalent.
a. 21 km
= _______mm
(12)
b. 20.4 g =
_______Kg
c. 22 m/hr = _______ km/s
d. 80 m/s =
_______km/hr
e. 120 ml = _______ cm3
f. 21.3 g =
_______ mg
3) What is the difference between precision and accuracy? Give an example.
(4)
4) What is density?
(4)
5) List any 6 of the fundamental units of the metric system.
(6)
30
6) Are the following equations dimensionally correct? (yes/no)
(6)
_____a. distance x time = velocity
_____b. volume / length = area
_____c. mass / volume = density
7) Simplify using significant figures.
(12)
_____a. 4.2 + 4.756 + 7.56
_____b. (25)(.600)
_____c. (160.0)(223)
_____d. 8.51/.257
_____e. 14.3 x 3.71
_____f. 41.2 - 3.182
a.
c.
(8)
b.
d. _______
__
24
9) Construct a volume vs pressure graph for the following data.
Include all labels and the equation of best fit.
Pressure (Pa)
10
20
30
40
60
(8)
Volume (cm3)
122
58
40
31
19
10) The accepted value for  to three places is 3.14. A calculated value
was found to be 3.18. Find the absolute and relative error.
(4)
11) Solve each equation for x
a. xy + 2 = 3z
(6)
b. v = a + 3x3
c. y  3 4 x  1
__
18
12. Solve for the missing angles and the missing sides.
Show work.
(12)
A
18 cm
&lt;A
12 cm
&lt;B
C
a
B
a
A
32
16 cm
18 cm
&lt;B
&lt;C
a
B
a
C
12
?
```