find power and energy delivered
the charge entering the positive terminal of an element is
while the voltage across the element (plus to minus) is
find the power delivered to the element at
so I did thus...
so at then
its obvioiusly not correct
the correct answer is 164.5mW
so somewhere??? also I didn't know what "plus to minus" meant... AC??
best to multiply the expresions of i(t) and v(t) first
Plugging in gives the correct result.
so it is best to multiply the expresions of i(t) and v(t) first before we apply the t=0.3s
agree about the () just wish this text book would do so it is confusing.. also like the  around the units.
yes thnks for help...more EE ?? to come (Cool)