1.) Which two measurements are needed to determine the speed of an object?
A
distance and direction
B
position and time
C
position and direction
D
distance and time
2.) An athlete is running a 5-km race at an average speed of 8 km/h. She has to stop to tie her shoe, which delays her time. After tying her shoe, she continues running at 8 km/h. Why would her average speed for the entire race decrease?
A
The total time she took to complete the race increased because she stopped to tie her shoe.
B
The total time she took to complete the race decreased because she stopped to tie her shoe.
C
The total distance she traveled was shorter than 5 km.
D
The total distance she traveled was longer than 5 km.
3.) Position describes the location of an object.
A
True
B
False
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