Question

A ball is kicked into the air from the top of a building. Its height, in metres, after t seconds is modelled by the function....

Answer 1

\[the function... h(t) = -4.9t ^{2} + 19.6t + 34.3 \]

Answer 2

what was the height of the ball after 5 secs?

Answer 3

just substitue 5 in the equation,
we hav,
-4.9(5)^2+19.6(5)+34.3=9.8 m

Answer 4

i did that... but it was marked as wrong :P guess i was right!

Answer 5

yes you were