i really need to fix my samsung my mom is gonna kill me!!!!!?

i took my samsung to school and it was in my front backpack pocket all day i got home an tookit out turned it on it made a beep noise than it turned off i figured it was overheated i waited two hours and turned t on than turned it off and now the lense is stuck out its off and it wont turn on! im 13 i really need help my moms gonna kill me!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!