# science

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A ball is thrown upward to 80m high, ball will be 2times at 80m during the interval of 6sec, accelaration -10 and find velocity?

• science -

Tf = 6/2 = 3 s. = Fall time from hmax
to 80 m.

V = Vo + gt = 0 + 10*3 = 30 m/s.

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