Time remaining:
Please help me solve this!!

Mathematics
Tutor: None Selected Time limit: 0 Hours

Apr 6th, 2015

S(r(t)) = S(t) = 4*pi*((7/9)t^2)^2 = 4*pi*(49/81)t^4 = (196/81)*pi*t^4

S(t) = (196/81)*pi*t^4

S(2) = (196/81)*pi*(2)^4 = 121.63 m^2

S(2) = 121.63 m^2

Apr 5th, 2015

Did you know? You can earn $20 for every friend you invite to Studypool!
Click here to
Refer a Friend
...
Apr 6th, 2015
...
Apr 6th, 2015
Dec 5th, 2016
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer