Darleen drives her scooter 7 km north and then 5 km south. The trip takes
her 22 minutes or 1320 seconds.
1.What distance did she cover?
2. What was her displacement?
3. What was her average speed?
4. What was her average velocity?
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Problem:
Darleen drives her scooter 7 km north and then 5 km south. The trip takes
her 22 minutes or 1320 seconds.
1.What distance did she cover?
d = 7 km + 5 km
= 12 km ( 12,000 m )
2. What was her displacement?
displacement = 7 km North - 5 km South
= 2 km North
3. What was her average speed?
s = d / t
= 12,000 m / 1320 s
= 9.09 m/s
4. What was her average velocity?
s = d / t
= 12,000 m / 1320 s
= 9.09 m/s North
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