Homework Statement
A 79 kg skydiver can be modeled as a rectangular "box" with dimensions 25 cm x 39 cm x 1.8 m.
What is his terminal speed if he falls feet first?
Homework Equations
The Attempt at a Solution
So I am not sure what I am doing wrong, here is what i did...
The figure shows an acceleration-versus-force graph for three objects pulled by rubber bands. The mass of object 2 is 0.13 kg.
What is the mass of object 1?
What is the mass of object 2?
graph is here
http://session.masteringphysics.com/problemAsset/1013020/11/jfk.Figure.04.U33EOC.jpg
A velocity vector 55 degrees below the positive x-axis has a y-component of -13 m/s.
What is the value of its x-component?
Ive tried many different ways for this problem but i keep getting it wrong! help!