eqnmidterm1

# eqnmidterm1 - Equations for Midterm 1 Physics 6A Winter...

This preview shows page 1. Sign up to view the full content.

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Equations for Midterm 1 Physics 6A, Winter 2008 Vector Math For some vector r with components x and y: r = (x, y) Magnitude r = |r| = Angle = arctan x = r cos y = r sin r1 + r2 = (x1 + x2 , y1 + y2 ) Velocity and Acceleration Average velocity: v = x t y x x2 + y 2 Displacement in case of constant velocity: x = x0 + vx t Average acceleration: a = v t Velocity in case of constant acceleration: vx = vx0 + ax t 1 Displacement in case of constant acceleration: x = x0 + vx0 t + 2 ax t2 2 2 Velocity, acceleration, and displacement: vx = vx0 + 2ax (x - x0 ) Relative velocity: Velocity of object B with respect to point/object A: vB|A Velocity of object C with respect to point/object B: vC|B Velocity of object C with respect to point/object A: vC|A = vC|B + vB|A Projectile motion: for initial velocity v0 at some angle 0 : Horizontal range R = arad = 2 vc R 2 v0 sin 20 g Uniform Circular Motion: constant speed vc in a circle of radius R: 1 ...
View Full Document

## This note was uploaded on 04/07/2008 for the course PHYS 6a taught by Professor Stanek during the Winter '07 term at UCSB.

Ask a homework question - tutors are online