PHYS 32 Lecture Notes - Lecture 4: Xz, Scilab

• School: Santa Clara University
• Department: Physics
• Course: PHYS 32
• Professor: Barber

Document Summary

Gravitation : suing reviewing, mr iri at earth "s swine faw -_@rm(cid:15482)m=mg. > o escapes has leftover k remember e ww. I (cid:15482) , afterwards spring becomes compressed . X-d f- spring = - kco) f- spring. Force is bouncing back & forth bright (cid:8869) "a" " is too ! (cid:8869) aisha- constant. Z fx = - k x = mok oscillations. Many systems oscillate requires some mass , equilibrium , restoring force . Needs restoring force ! (baue&fon# spring -kx oscillates. = mide hori sus (cid:12200) m di de" = ci wje are i w "t deiwt a- i wt eiwe coscw e) tis in cw e) Fe cos cwt) = - w sin cw e) (cid:8869) it cos cwe) = - w cos cwt) argument of cos c ) is dimensionless e is a time angular freq = w units rate time. Vh)= - wasincwet q ) act)= - w"acoscwtt.