Describe what you see here. Notice anything interesting?
Suppose a solar cooker has a parabolic cross section. Any object placed at the igniter will burn within seconds after the sun's rays start hitting the parabolic dish. [br][br]Suppose we consider (0,0) = this parabola's vertex. [br]Given this, [br][list][*]Find an equation for this parabola[/*][*]Determine the depth of the dish. [/*][/list][br]You can show your work in the blank app below. [img width=563,height=251]https://lh4.googleusercontent.com/4iNXtfHHhy8rJjhtCCOvqVI6I7CBR9Go3QYgdqxvtMmMN09khDDLAIvI3GH0j3ZEPw3JyOhPewloGVR1cgQ3XZKa8El7wionepWHGEgXekhArdQ3Cxvpa5yLcYQuUZXet9n7OW7V[/img]
Can skyscrapers melt cars and set surrounding buildings on fire? What do you think? If so, what causes this? [url=https://www.nbcnews.com/sciencemain/london-skyscraper-can-melt-cars-set-buildings-fire-8C11069092]Check this out[/url].