Предмет: Физика, автор: qwoos

Тело бросили под углом 60 градусов к горизонту с поверхности земли. Пользуясь графиком, найдите время подъема тела.

Находится по формуле t= sqrt{(x*td alpha)/(2g)} , объясните пожалуйста, как получить эту формулу.

Приложения:

Ответы

Автор ответа: MashaPutnaj
0
дальность полета Sx=X=Vox*t  =Vo*cosa*t

t=2*Vo*sina/g

X=Vo^2*2sina*cosa/g

Vo=√X*g/2*sina*cosa
2) время подъема   t=Vу/g=Vо*sina/g

t= sina/g    *   √X*g/2*sina*cosa=√X*g*sin²a/g²*2*sina*cosa=√X*sina/2*g*cosa=
=√x*tga/2*g

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