You drop containers of eggs

1
1
You drop containers of eggs from several heights
then count the number of broken eggs.
dependent variable number of eggs
independent variable heights
2
2
You exert forces at 10 pound increments on as toy
car and measure the resulting speed.
dependent variable speed
independent variable force
3
3
You drop a physics teacher from a tall building
and measure his speed at 1 second increments
dependent variable speed
independent variable time
4
4
You increase pressure at a rate of 10lbs/in2 and
measure the resulting volume of a giant
marshmallow.
dependent variable volume
independent variable pressure
5
5
Identify the axis on which the following
variables are graphed.
dependent variable y-axis
independent variable x-axis
6
6
A
B
C
Which graph is described by the equation ykx2
C
7
7
A
B
C
Which graph shows a linear relationship?
B
8
8
A
B
C
Which graph will produce a constant when (x)(y)?
A
9
9
A
B
C
Which graph is described by the equation ymxb
B
10
10
A
B
C
When pressure on a volume of gas is increased,
the volume decreases. Which graph?
A
11
11
A
B
C
The human population is growing at an ever
increasing rate. Which graph?
C
12
12
42 km ___ µm
(42km)(109 µm/km)
(42km)(109 µm/km)
42 x 109 µm
4.2 x 1010 µm
13
13
1.5 x 104 ms ___ das
(1.5 x 104 ms)(1 das/ 104 ms)
(1.5 x 104 ms)(1 das/ 104 ms)
1.5 das
14
14
1.2 x 1012 ng ___Mg
(1.2 x 1012 ng)(1 Mg/1015 ng)
(1.2 x 1012 ng)(1 Mg/1015 ng)
(1.2 x 1012)(1 Mg/1015)
103
1.2 x 10-3 Mg
15
15
9.1 x 102 hm/hr ___mm/s
(9.1x102 hm/hr)(105mm/hm) (1hr/3.6x103 s)
(9.1x102 hm/hr)(105mm/hm) (1hr/3.6x103 s)
(9.1x107 mm/3.6 s)
2.5x104 mm/ s)
16
5
earth radius 6.37x103km speed at equator
2x103km/hr length of day?
dvt so td/v and d2pr thus t 2pr /v
t 2p6.37x103km /2x103km/hr
t 20 hours
17
Ex1
80
60
Mass (g)
40
20
0
80
0
20
40
60
Volume (cm3)
18
Ex1
80
60
Mass (g)
40
20

0
80
0
20
40
60
Volume (cm3)
19
Ex1
80
60
Mass (g)
40
20


0
80
0
20
40
60
Volume (cm3)
20
Ex1
80
60
Mass (g)
40

20


0
80
0
20
40
60
Volume (cm3)
21
Ex1
80
60
Mass (g)
40


20


0
80
0
20
40
60
Volume (cm3)
22
Ex1
80
60
Mass (g)

40


20


0
80
0
20
40
60
Volume (cm3)
23
Ex1
80
60
Mass (g)

40


20


0
80
0
20
40
60
Volume (cm3)
24
Ex1
b. linear
25
Ex1
b. linear
c. ymxb mmv mdv
26
Ex1
b. linear
c. ymxb mmv mdv
d. g/cm3, density
27
Ex3
30
20
acceleration (m/s2)
10
0
0
10
20
30
40
force (N)
28
Ex3
30
20
acceleration (m/s2)
10

0
0
10
20
30
40
force (N)
29
Ex3
30
20
acceleration (m/s2)

10

0
0
10
20
30
40
force (N)
30
Ex3
30
20
acceleration (m/s2)


10

0
0
10
20
30
40
force (N)
31
Ex3
30

20
acceleration (m/s2)


10

0
0
10
20
30
40
force (N)
32
Ex3
30


20
acceleration (m/s2)


10

0
0
10
20
30
40
force (N)
33
Ex3

30


20
acceleration (m/s2)


10

0
0
10
20
30
40
force (N)
34
Ex3

30


20
acceleration (m/s2)


10

0
0
10
20
30
40
force (N)
35
Ex3
b. as force increases, acceleration increases
36
Ex3
b. as force increases, acceleration increases
c. ymxb am f a(1/m)v
37
Ex3
b. as force increases, acceleration increases
c. ymxb am f a(1/m)v
d. m/s2/N
38
Pr2
14
12
10
acceleration (m/s2)
8
6
4
2
0
0
2
4
6
8
mass (g)
39
Pr2
14

12
10
acceleration (m/s2)
8
6
4
2
0
0
2
4
6
8
mass (g)
40
Pr2
14

12
10
acceleration (m/s2)
8

6
4
2
0
0
2
4
6
8
mass (g)
41
Pr2
14

12
10
acceleration (m/s2)
8

6

4
2
0
0
2
4
6
8
mass (g)
42
Pr2
14

12
10
acceleration (m/s2)
8

6

4

2
0
0
2
4
6
8
mass (g)
43
Pr2
14

12
10
acceleration (m/s2)
8

6

4


2
0
0
2
4
6
8
mass (g)
44
Pr2
14

12
10
acceleration (m/s2)
8

6

4



2
0
0
2
4
6
8
mass (g)
45
Pr2
14

12
10
acceleration (m/s2)
8

6

4



2
0
0
2
4
6
8
mass (g)
46
Pr2
b. inverse, or hyperbola
47
Pr2
b. inverse, or hyperbola
c. as mass increases, acceleration decreases
48
Pr2
b. inverse, or hyperbola
c. as mass increases, acceleration decreases
d. kxy, or kma, or fma since force was
constant.
49
Pr2
b. inverse, or hyperbola
c. as mass increases, acceleration decreases
d. kxy, or kma, or fma since force was
constant.
e. g/m/s2