lecture12-oscillations and energy

lecture12-oscillations and energy - What you can do so far...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
What you can do so far … can describe SHM with graphs and equa:ons What you will be able to do a<er today … the diFerence between horizontal and ver:cal springs the poten:al and kine:c energy of a mass-spring system Explain … elas:c poten:al energy and kine:c energy for a spring/mass system Calculate … conserva:on of energy to SHM Apply …
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
-4 -3 -2 -1 0 1 2 3 4 0 10 20 30 40 50 60 time (s) x (cm) review: finding the equation
Background image of page 2
Use the information in the graph, the equation for the motion of the mass is (close closest answer) A. x(t) = 3.5cm cos(( π /10)t + π /2) B. x(t) = 3.5cm cos(( π /10)t – π /2) C. x(t) = 3.5cm cos(( π /10)t +1.05 rad) D. x(t) = 3.5cm cos(( π /10)t –1.05 rad) E. none of the above -4 -3 -2 -1 0 1 2 3 4 0 10 20 30 40 50 60 time (s) x (cm)
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Hooke ` s Law Force x k F x = Horizontal mass-spring x k F x = Compare it to the standard equation for SHM x m F x 2 ω = k m = 2 m k =
Background image of page 4
U = 1 2 k ! x ( ) 2 Work done on the spring by the external force: Work done on the spring is stored as the elastic potential energy ( U ) of the spring
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 14

lecture12-oscillations and energy - What you can do so far...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online