- #1
Sho Kano
- 372
- 3
I've already completed the first question, but with number two, it's a different case. Here's my attempt:
[itex]\frac { d{ v }_{ y } }{ dt } \quad =\quad -g\quad -\quad \beta { v }_{ y }\\ \frac { d{ v }_{ y } }{ -g\quad -\quad \beta { v }_{ y } } \quad =\quad dt\\ \int { \frac { d{ v }_{ y } }{ -g\quad -\quad \beta { v }_{ y } } } \quad =\quad \int { dt } \\ \frac { -1 }{ \beta } ln(-g-\beta { v }_{ y })\quad =\quad t\\ [/itex]
natural log of a negative?