Homework Statement
This problem actually has 2 parts.
For vectors a= (2,p,8) and b= (q,4,12), determine the values of p and q so that the vectors are a)perpendicular b) collinear
textbook answer: a) p= 1 and q= -50 (answers may vary) b) p= 8/3 and q=3
Homework Equations
a*b = 0
a*b =...
Homework Statement
A ball of mass m rolls down a 3.0 m ramp inclined at 30° above the horizontal, rolls along a flat, friction less surface, and collides elastically with another ball of mass 2m, initially at rest. The second mass then moves along the surface and collides with a horizontally...