Physics, 02.04.2020 01:25 alexcute965

Xavier is roller skating at 14 km/h and tosses a set of keys forward 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 forward on the ground at 8 km/h. The sp...