a ball is thrown initial velocity 15.4ms for how long is the ball higher than 10.5 metres?

Question

 a ball is thrown with an initial velocity of 15.4ms . for how long is the ball higher than 10.5 metres?

dont know how to work it out.

Answer 1

########## rong...not a vekter,  its SPEED, not "velosity" $$$$$$$$$$$$

wot char meen "for how long"????????????????

the werd is how long

wot cha meen bi "ms"???????

is zat "meters/sekond" ????????

Kant solv, kauz yu dont suppli kritikal data us need

perhaps yu thro sumthun up at angel tu horizontal????????????

Answer 2

????????????? metres ????????????????

Answer 3

If yu assume land is flat (flat erth assume), yer quesshun sorta assume tu ball

go up abuv the start hite=0.  This impli yu start it with a vertikal komponent av  that

SPEED SPEED SPEED SPEED SPEED SPEED

if so, yu gotta giv up more info