Tf = 6/2 = 3 s. = Fall time from hmax
to 80 m.
V = Vo + gt = 0 + 10*3 = 30 m/s.
A ball is thrown upward to 80m high, ball will be 2times at 80m during the interval of 6sec, accelaration -10 and find velocity?
1 answer
1 answer