Phys Test1 Review

# Phys Test1 Review - Physics 2305, rev 1, s08 1 (For more...

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Physics 2305, rev 1, s08 1 (For more extensive review, see end-of-the-chapter-reviews in YF) Ch. 1 Units, vectors units: mostly SI, but also and British Scalars, vectors, magnitude and direction of a vector Examples of vector quantities: displacement vectors (fundamental), velocity, acceler- ation, force operations on vectors: addition, multiplication by numbers, resultant of several vectors. scalar product, unit vectors, components A · B = AB cos ϕ = | A || B | cos ϕ = A · B = A x B x + A y B y + A z B z | A + B | 2 = A 2 + B 2 +2 AB cos θ ,c 2 = a 2 + b 2 2 ab cos θ If more than two vectors – work with components. Ch. 2 Motion Along a Straight Line (kinematics in one dimension) ¥ average velocity, instantaneous velocity : v average = x t ,v = v inst = dx dt . x ( t )= x 0 + Z t 0 v ( t ) dt, v ( t v 0 + Z t 0 a ( t ) dt General properties x - t graph. Given the graph, f nd v ( t ) . ¥ Average and instantaneous acceleration

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Physics 2305, rev 1, s08 2 For motion with constant acceleration (uniformly accelerated motion), basic for- mulae are: x 1 x 0 = v 0 + v 1 2 t, x = x 0 + v 0
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## This note was uploaded on 03/19/2008 for the course PHYS 2305 taught by Professor Tschang during the Spring '08 term at Virginia Tech.

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Phys Test1 Review - Physics 2305, rev 1, s08 1 (For more...

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