Homework Statement
Determine the vectors A-C, given the vectors A and C in Fig. 3-32. Vector A=44.0 at 28 degrees north of east and vector C=31.0 at 90 degrees south of east.
Homework Equations
I don't know any.
The Attempt at a Solution
44.0-31.0=11.0, 28.0-90= -62
The answers...
Homework Statement
A light plane must reach a speed of 33m/s for takeoff. How long a runway is needed if the (constant) acceleration is 3.0m/s^2.Homework Equations
v^2=2*a*d
The Attempt at a Solution
v^2/(2*a)=d