- #1
king_2005
- 6
- 0
1. why does a hiker have to lean slightly forward when her backpack is heavy?
2. why is it that car tires moving at 30 m/s experience four times greater forces than when moving at 15 m/s or half the speed?
2. why is it that car tires moving at 30 m/s experience four times greater forces than when moving at 15 m/s or half the speed?
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