I've seen online a kinematic equation for final velocity, which is
Vf² = Vi² + 2(a)(d),
but my teacher has not introduced it. Where does this equation come from?
EDIT:
Nevermind, I see it now.
I solved for t using vf = vi + at --> (vf-vi)/a = t
And I know distance = v*t and average velocity...
Homework Statement
"A body is thrown downward with an initial speed of 20 m/s on Earth. What is the time required to fall 300 m?"
I tried finding kinetic and gravitational energy, but then I realized I don't have any mass to use it with (1/2)*m*v^2 and m*g*h
How can I solve this problem...