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Sara walks part way around a swimming pool. she walks 50 yards north, then 20 yards east, then 50 yards south. the magnitude of her total displacement during this walk is __________ yards.
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Sara walks part way around a swimming pool. she walks 50 yards north, then 20 yards east, then 50 yards south. the magnitude of her total displacement during this walk is __________ yards.

User Fal
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|---20----|
| |
| 50 |50
|---D--->|
Start End

Total displacement(D) 20 yards (East).
User Siegmeyer
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