Question

need help pls with this question

Answer 1

hi

Answer 2

hello

Answer 3

\[70=.81t^2\] solve for \(t\)

Answer 4

divide by .81, then take the square root

Answer 5

86.42

Answer 6

http://www.wolframalpha.com/input/?i=sqrt%2870%2F.81%29

Answer 7

that is not what i got

Answer 8

3.14 is the period of the pendulum am i right

Answer 9

check the link i sent
i got something way different

Answer 10

oh i have no idea how to do any of this so your probably right so i put 9.30 for my answer

Answer 11

you want the steps?

Answer 12

yes please

Answer 13

\[70=.81t^2\\
\frac{70}{.81}=t^2\\
\sqrt{\frac{70}{.81}}=t\] th

Answer 14

then a calculator

Answer 15

so is 9.30 right