Homework Statement
Prove the expressions for c and w
c=re
w=(k/m)^1/2
Homework Equations
V(r) =k/2*(r-re)^2
F=ma=m*d^2r/dt^2
r=A*cos(wt)+B*sin(wt)+c
The Attempt at a Solution
dV(r)/dr =-k(r-re)
m*d^2r/dt^2=-k(r-re)
d^2r/dt^2=-k/m*r+k/m*re...
1. Homework Statement
Estimate the absolute and relative standard deviations of the following calculations. The number in parentheses is the standard deviation of the preceding value.
a) z=5.64(s=0.14)*log(138)(s=3)
2. Homework Equations
Sx/x =SQRT((Sp/P)2+(Sq/q)2+(Sr/R)2...
Furan is an aromatic compound because of Huckel's rule. One of the lone pairs of electrons on the oxygen goes on to the ring and giving it a 4n+2 system.