Asked by arcos15
A jogger runs eastward in a straight line with an average speed of 2.25 m/s for 4.98 min and then continues with an average speed of 1.58 m/s for 2.18 min. (Hint: time is in minutes and velocity is in meters/second)
(a) What is her total displacement (in m)?
_____________m
(b) What is her average velocity (in m/s) during this entire jog?
______________m/s
(a) What is her total displacement (in m)?
_____________m
(b) What is her average velocity (in m/s) during this entire jog?
______________m/s
Answers
Answered by
Scott
a) [(2.25 m/s * 4.98 min) + (1.58 m/s * 2.18 min)] * 60 s/min
b) (answer from a) / (4.98 min + 2.18 min) / (60 s/min)
b) (answer from a) / (4.98 min + 2.18 min) / (60 s/min)
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