phys1441-spring08-020608-post

# phys1441-spring08-020608-post - PHYS 1441 Section 002...

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Wednesday, Feb. 6, 2008 PHYS 1441-002, Spring 2008 Dr. Jaehoon Yu 1 PHYS 1441 – Section 002 Lecture #7 Wednesday, Feb. 6, 2008 Dr. Jae hoon Yu Motion in Two Dimension Motion under constant acceleration –V e c t o r r e c a p Projectile Motion Maximum ranges and heights

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Wednesday, Feb. 6, 2008 PHYS 1441-002, Spring 2008 Dr. Jaehoon Yu 2 Announcements •1 st term exam on Wednesday, Feb. 20 – Time: 1 – 2:20pm – Place: SH103 – Covers: Appendices, CH 1 – what we learn till next Wednesday, Feb. 13 – Class on Monday, Feb. 18: Jason will be here to go over the any problems you would like to review • Colloquium – Today at 4pm in SH101, following the refreshment at 3:30pm in SH108 – Please be sure to sign in the sign-in sheet
Wednesday, Feb. 6, 2008 PHYS 1441-002, Spring 2008 Dr. Jaehoon Yu 3

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Wednesday, Feb. 6, 2008 PHYS 1441-002, Spring 2008 Dr. Jaehoon Yu 4 Kinematic Quantities in 1D and 2D Inst. Acc. Average Acc. Inst. Velocity Average Velocity Displacement 2 Dimension 1 Dimension Quantities x Δ = r Δ = G i f i f x t t x x t x v = Δ Δ = f i f i rr r v tt t Δ ≡= Δ G GG G 0 lim t r v t Δ→ Δ Δ G G 0 x t x v t Δ Δ f i f i vv v a t Δ Δ G G i f xi xf x x t t v v t v a = Δ Δ 0 t v a t Δ Δ G G 0 x x t v a t Δ Δ What is the difference between 1D and 2D quantities?
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phys1441-spring08-020608-post - PHYS 1441 Section 002...

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