Recent content by catandphysics

Okay, so I do Fa - (Fg + Ff) = ƩF = ma, solve, and just plug that into vf^2 = vi^2 + 2aΔd. okay thanks so much for your help!

Homework Statement A space shuttle weighing 7.3 x 10^8 kg takes off from Cape Canaveral. If the air resistance is 1.2 x 10^5 N and the thrust is 8.9 x 10^11 N, how long will it take the shuttle to reach a velocity of 4500 m/s? Homework Equations at + vi = vf ƩFy=mg ƩFx=ma The...