4. In which of these graphs are both runners moving at the same speed? 40
40
A
B.
30
30
Distance from starting line (metes)
Distance from starting line (metes)
20
20
10
10
0
0
1
2
1
2
Time (seconds)
3
Time (seconds)
40
40
C
D
30
30
Distance from starting line (meters)
Distance from starting line (metes)
20
200
10
10
0
1
2
3
Time (seconds)
1
3
Time (seconds
O A. graph A.
B. graph B
C. graph C
O D. graph D
I’m pp