a 25% Part (21) Express energy through power P and time interval A t. E = | a B At ( 7 8 9 y 6 a 4 5 6 d g h 1 2 3 1 j k + O m P s Vc Submit Him I give up! Hints: deduction per hint. Hints remaining: _ Feedback: deduction per feedback. as 25% Part (b) How much energy has been used in joules? Grade Summary Deductions Potential 100% Submissions Attempts remaining: _ (_ per attempt) detailed How A 25% Part (c) If the energy used were used to lift a weight of m = 140 kg, write an equation of the height h that the weight can be lifted in terms of P, A t, and m? g, 25% Part ((1) Calculate the numerical value of h. m LLC (10%) Problem 8: You leave a 110 W light bulb on for 5 hours in the day. A 25% Part (a) Express energy through power P and time interval At. Grade Summary E = l Deductions 0'5"}. Potential 100% Submissions 0: B At ) 7 9 H' mm Attempts remaining: Y e a T l 4 5 6 9 ( per attempt) d h , k 1 3 detailed YlCV'V g A i j k + _ 0 _ [\\L) _I*'C#V \\. II'H LLLZAK