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Zyra
Questions (2)
A tennis player serves a ball horizontally, giving it a speed of 24 m/s from a height of 2.5 m. The player is 12 m from the net.
2 answers
2,864 views
Why does the element calcium react with water differently than magnesium, potassium and sodium, in a way that calcium looks
1 answer
1,144 views
