{VERSION 2 3 "IBM INTEL NT" "2.3" } {USTYLETAB {CSTYLE "Maple Input" -1 0 "Courier" 0 1 255 0 0 1 0 1 0 0 1 0 0 0 0 }{PSTYLE "Normal" -1 0 1 {CSTYLE "" -1 -1 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 }0 0 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }} {SECT 0 {EXCHG {PARA 0 "" 0 "" {TEXT -1 45 "sstart1.mws solar syste m starter worksheet" }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 " " {TEXT -1 16 "PH 322 fall 1998" }}{PARA 0 "" 0 "" {TEXT -1 0 "" }} {PARA 0 "" 0 "" {TEXT -1 38 "See Danby pp. 201 ff, and pp. 427 ff." } }{PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT -1 17 "Homework problem:" }}{PARA 0 "" 0 "" {TEXT -1 63 "a) What time period does thi s cover? (what does t=0 represent?)" }}{PARA 0 "" 0 "" {TEXT -1 44 "b) What data is real and what data is bogus?" }}{PARA 0 "" 0 "" {TEXT -1 58 "c) Why were 24 frames chosen? (why not some other number?)" }} {PARA 0 "" 0 "" {TEXT -1 72 "d) Build a 'first' solar system model to \+ include Earth, Venus, Jupiter. " }}{PARA 0 "" 0 "" {TEXT -1 0 "" }} {PARA 0 "" 0 "" {TEXT -1 93 "Turn the worksheet (with answers and anim ation) in to the PH111 homework turn in folder under" }}{PARA 0 "" 0 " " {TEXT -1 18 "class/ph/mjm/ph111" }}{PARA 0 "" 0 "" {TEXT -1 0 "" }} {PARA 0 "" 0 "" {TEXT -1 63 "revision 9/17/98 to repair a problem dis covered in class today" }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 21 "restart; with(plots):" }}}{EXCHG {PARA 0 "" 0 "" {TEXT -1 77 "Function (parametric plot) for a circle o f radius 0.1, centered at x=a, y=b)." }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 56 "circ:=[0.1*cos(theta)+a,0.1*sin(theta)+b,theta=0..2*P i];" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 29 "t1:=-2; t2:=-1; Nfr ames:=24;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 125 "Earth:=animat e(subs(a=cos(2*Pi*t+17.453),b=sin(2*Pi*t+17.453),circ),t=t1..t2,frames =Nframes,scaling=constrained,color=black):" }}}{EXCHG {PARA 0 "> " 0 " " {MPLTEXT 1 0 115 "Bogos:=animate(subs(a=2*cos(Pi*t+5),b=2*sin(Pi*t+5 ),circ),t=t1..t2,frames=Nframes,scaling=constrained,color=brown):" }}} {EXCHG {PARA 0 "" 0 "" {TEXT -1 345 "The plot which follows is an anim ation. When you click on it, player controls appear at the top . The s olid triangle is the 'play' command. Under 'Help' at the top, turn on \+ 'Balloon help'. This tells you what each of the controls does. At the \+ far right of the controls bar are two up/down arrows which toggle betw een animation and plot controls." }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 23 "display(\{Earth,Bogos\});" }}}}{MARK "8 0 0" 19 } {VIEWOPTS 1 1 0 1 1 1803 }