In 20 minutes, Kara ran 2.40 km on a treadmill facing due east. Relative to the gym, what were her displacement and average velocity during this time interval?
a. 0; 0
b. 0; 2.00 m/s
c. 2.40 km, east; 0
d. 2.40 km, east; 2.00 m/s, east
e. 2.40 km, west; 2.00 m/s, west
Question 2
A car travels north at 30 m/s for one half hour. It then travels south at 40 m/s for 15 minutes. The total distance the car has traveled and its displacement are:
a. 18 km; 18 km S.
b. 36 km; 36 km S.
c. 36 km; 36 km N.
d. 90 km; 18 km N.
e. 90 km; 36 km N.
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This photo shows a newborn baby minutes after birth.
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north of east, east of north, east of south, south of east, etc.