K 2.

Hayley is snacking on red vines while cooking dinner when someone rings her doorbell. She looks at her peephole camera and sees that it is Paige, and she is ripped! Hayley has heard stories from Jailene and Esmeralda about Jean working out (and stealing red vines) and decides to hide her stash in the last place Paige would look, her oven. The oven was at 500 degrees Fahrenheit (260 degree Celsius) so she turns it off, takes the cooking food out, and waits a second for normal room temperature air (72 degrees Fahrenheit, 22.22 degrees Celsius) to flow in before placing her red vines inside and going to see Paige. If Hayley's red vines were at room temperature and the inside of her oven is black (having an emissivity of 1), how much heat flows from the oven walls to Hayley's 20 cm x 20 cm x 20 cm box filled with red vines in 30 seconds? [Remember, the oven walls are still hot.]

50,000 J

30,000 J

25,000 J

35,000 J