Physics, 01.10.2019 13:00 david1236544
Xavier is roller skating at 14 km/h and tosses a set of keys on the ground at 8 km/h. the speed of the keys relative to the ground is km/h.
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Xavier is roller skating at 14 km/h and tosses a set of keys on the ground at 8 km/h. the speed of t...
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