Question

q is 12t+ 6t² what is the average current b/w t=0 and t=2.5s?​

Answer 1

Answer:

12×2.5+6×2.5^2

=67.5

Answer 2

✪ᴀɴsᴡᴇʀ✪

$\star \star \star \boxed{\red{I_{av} = 27A}}\star \star \star$

★ᴇxᴘʟᴀɪɴᴀᴛɪᴏɴ★

Average Current is given by

$\to I_{av} = \frac{Total\:Charge\:Flow}{Time\:Taken}$

$\to I_{av} = \frac{q(t=2.5)-q(t=0)}{2.5-0}$

$\to I_{av} = \frac{12\times 2.5 + 6\times {2.5}^{2} -0}{2.5}$

$\to I_{av} = 12 + 6\times 2.5$

$\to I_{av} = 12 + 15$

$\to I_{av} = 27A$