chicagochica5
If an object is dropped from a height of 144 feet, the function h(t)=-16t^2 + 144 gives the height of the object after t seconds. When will the object hit the ground?
Delete
Share
This Question is Closed
chicagochica5
Best Response
You've already chosen the best response.
0
A. 9 s
B. 6 s
C. 1.5 s
D. 3 s
febylailani
Best Response
You've already chosen the best response.
0
h(t)=-16t^2 + 144 is this formula right?
chicagochica5
Best Response
You've already chosen the best response.
0
Yes thats the right formula @febylailani
qpHalcy0n
Best Response
You've already chosen the best response.
1
Here, you can set it equal to zero and factor.
chicagochica5
Best Response
You've already chosen the best response.
0
I think the answer is D
qpHalcy0n
Best Response
You've already chosen the best response.
1
You'd be correct.
chicagochica5
Best Response
You've already chosen the best response.
0
Thanks!
febylailani
Best Response
You've already chosen the best response.
0
oooh.. sorry, he's 1st xD