Module 4 Chapter 31 Multiple choice questions 31.8

. When chasing prey at maximum speed (∼30 m/s), cheetahs use a gait called the rotary gallop during which their feet land in the following sequence: right fore, left fore, rear legs then 'gathered' in front of the forelegs, then left hind and right hind, followed by 'extension' during which the animal's legs are fully stretched. During gathered and extended 'flight' all feet are off the ground.
Using R and L for right and left, F and H for fore and hind, and G and E for gathered and extended, respectively, which sequence represents a cheetah's gait at full speed?

. Refer to the following table.


Finishing place

Time

Steps taken in 100 m

Mean stride length (m)

1

11.31

48

2.08

2

11.61

49

2.04

3

11.65

50

2.00

4

11.66

50

2.00

5

11.68

49

2.04

6

11.78

50

2.00

7

11.88

51

1.96

8

12.16

52

1.92



The table shows data for male high school athletes running a 100 m race. Which of the following statements is consistent with the data?

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