This preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: circle is small… i v r f v r θ f v r i v r − v r Δ r v a t v a r s v v v v s t 2 = Δ Δ = ≈ ≈ Δ = Δ s Approximate circular motion • Each part of every 2D path can be approximated by a part of a circle • This lets you estimate the ⊥ component of the acceleration • Where it curves fast, r is small, and v 2 /r is large; when slow, it’s small r eff r eff Physics student Joe is watching his friend Sandy depart from the train station. As the train pulls out of the station at a constant speed, Sandy drops a farewell package out the window. • Sandy sees the farewell package drop straight to the ground beneath her hand • Joe sees the package moving to the right while it falls Who is correct? 1. Sandy 2. Joe 3. Both Sandy Joe...
View
Full
Document
This note was uploaded on 04/04/2008 for the course PHYSICS 140 taught by Professor Evrard during the Fall '07 term at University of Michigan.
 Fall '07
 Evrard
 Physics

Click to edit the document details