Physics 12 U1L5 Projectile Motion Part 1

[lubnapatel]

You're too cute :P I love these! Life Saver!! Thank You!

[lubnapatel]

I find myself very confused.. in part c) you define dy as dy = 0 and in part e) it's unknown, and again in part c) Vyf = -123.1 and in part e) Vyf = 0 ..? how do you just switch around variables like this?