- #1
Avery Woodbury
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1. A 1 kg block is on a flat frictionless surface. Attached to a relaxed spring (k=50N/m). A light string is attached to the block and runs over a frictionleas pulley to a .45kg dangling mass. If the dangling mass is released from rest, how far will if fall before stopping?
U= 1/2kx^2
F=-kx
W=Fd
w=mg
(I'm not exactly sure which ones I do/don't need)[/B]
I really have no idea where to begin. The answer the book gives is .176m. [/B]
Homework Equations
U= 1/2kx^2
F=-kx
W=Fd
w=mg
(I'm not exactly sure which ones I do/don't need)[/B]
The Attempt at a Solution
:I really have no idea where to begin. The answer the book gives is .176m. [/B]