| "They came at last into a hall larger and loftier than any they had yet seen. From its size and from the great doors at the far end, Digory thought that now at last they must be coming to the main entrance. In this he was quite right. The doors were dead black, either ebony or some black metal which is not found in our world. They were fastened with great bars, most of them too high to reach and all too heavy to lift. He wondered how they would get out.
The Queen let go of his hand and raised her arm. She drew herself up to her full height and stood rigid. Then she said something which they couldn't understand (but it sounded horrid) and made an action as if she were throwing something towards the doors. And those high and heavy doors trembled for a second as if they were made of silk and then crumbled away till there was nothing left of them but a heap of dust on the threshold." White Witch pulverizes some doors using a focused magic spell. She is apparently 7 feet tall or 2.1336 meters. White Witch height = 184 px = 2.1336 meters Length across 1 door = 50.45 px = (50.45/184) * 2.1336 = 0.58500065217 meters Length across both doors = 0.58500065217 * 2 = 1.17000130434 meters Height of door(s) = 260 px = (260/184) * 2.1336 = 3.01486956522 meters Since we don't see the door thickness directly in the image, we can assume based on figures in real life. I'll roll with this: https://homeguides.sfgate.com/standard-inside-door-sizes-84805.html 1 3/8 inches thick or 3.4925 cm or 0.034925 meters for the thickness of both these black doors. Volume of both doors will be found using a rectangular prism shape. So length times width times height to obtain volume. Volume of both doors = 1.17000130434 * 3.01486956522 * 0.034925 = 0.12319449123 m^3 https://www.wood-database.com/gaboon-ebony/ 76.3 MPa was listed here, which would be 7.63E7 joules / m^3 Energy to destroy both doors (assuming ebony) = 7.63E7 * 0.12319449123 = 9399739.68085 joules _______________________________________ Gonna add on the bars since apparently nothing but dust was left on the threshold, they look to be made out of metal due to the coloring but they could be ebony too I guess, dunno how canon the colored illustrations are at any rate. Energy to destroy the bars Witch = 184 px = 2.1336 meters Bar thickness = 3 px = (3/184) * 2.1336 = 0.03478695652 meters Bar height = 12 px = (12/184) * 2.1336 = 0.13914782608 meters Bar length (using above value) = 1.17000130434 meters Bar volume = 1.17000130434 * 0.13914782608 * 0.03478695652 = 0.00566342568 m^3 Times that by 3 since there are 3 of them Total volume of 3 bars = 0.00566342568 * 3 = 0.01699027704 m^3 This converts to 16990.27704 cm^3 Iron pulverization is apparently 90 joules per cubic centimeter Energy to destroy bars (assuming iron at worst) = 16990.27704 * 90 = 1529124.9336 joules ____________________________________________ Adding the totals together; White Witch Spell AP = 1529124.9336 + 9399739.68085 = 10928864.6145 joules Which is in 9-B tier or a wall buster though somewhere in the middle of that tier. |