A community for students.
Here's the question you clicked on:
← 55 members online
 0 viewing
anonymous
 5 years ago
A rock falls from a tower that is 400 ft high. As it is falling its height is given by the function h(t)=40016t^2. Ho many seconds will it take for the rock to hit the ground (h=0)?
anonymous
 5 years ago
A rock falls from a tower that is 400 ft high. As it is falling its height is given by the function h(t)=40016t^2. Ho many seconds will it take for the rock to hit the ground (h=0)?

This Question is Closed

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0set \[h(t)=40016t^2=0\] solve for t

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0since h =0 when it touches the ground 40016t^2=0 16t^2=400 t^2=400/16 t^2= 25 t=5 seconds

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[0=40016t^2\] \[16t^2=400\] \[t^2=25\] \[t=5\]
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.