# What's his averaga acceleration

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1. Dec 26, 2016

A bascket-ball player , who has a weight of $$~~890 ~~N$$, jumps veritcally with a height of $$~~1.20 ~~m$$

1- Find his speed at the moment when he left the floor .

2- If the time that takes the basket ball player to quit the floor is 0.3 s , what would be his average acceleration ?