A punter kicks a football upward with an initial speed of 48 feet per second. After how many seconds does the ball hit the ground? Use the formula h = rt - 16t2 where h represents height in feet and r represents the initial speed.

Question

fairy733189 · Answer

@zzr0ck3r

fairy733189 · Answer

@math&ing001

math&ing001 · Answer

h= 48t - 16t²
Ball hits the ground when h=0.
Connect the dots  ;]

fairy733189 · Answer

oh jaja sometimes I just don't think :)

math&ing001 · Answer

^^

fairy733189 · Answer

And after that will I figure out the zeroes of the equation?

fairy733189 · Answer

The answer I wrote was h = 0 but I got it wrong

math&ing001 · Answer

@Fairy733189 maan, I said connect the dots not write that as is
h = 0    =>   48t - 16t² = 0
Then solve for t

fairy733189 · Answer

no I didn't mean that I wrote that right now

fairy733189 · Answer

I know the answer is 0,3 right?

math&ing001 · Answer

There are two answers 0 and 3 but only 3 makes sense.

fairy733189 · Answer

yes I know. Thanks again!!!

math&ing001 · Answer

Welcome !