Top 10k strings from Motion (1983)(SciCAL Software).tzx in <root> / bin / z80 / software / Sinclair Spectrum Collection TOSEC.exe / Sinclair ZX Spectrum - Games / [TZX] /
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4 e$="(u+a*t)*t": 4 ,"time (s)"," "," ": 3 ;"Initial vel.=";u;" m/s"; 3 ;"Acceleration=";ac;"m/s 3 ,"10","20","30","40","50": 2 z=x0+hsf*xcur 2 xint*hsf*.5 2 xcur=xcur+xint: 2 u(xmn,xint): 2 g$="(y-u)/ac": 2 f$="u+ac*x": 2 e$="a*t*t": 2 MOTION x 2 =;" s between dots."; 2 ;dtint*.02 2 ;"u=";u;"m/s"; 2 ;"time taken"; 2 ;"a=";ac;"ms 2 ,"time t (s)","velocity v","(m/s)": 2 ,"-50","-20","-10"," 10"," 20": 1 z=y0+vsf*ycur 1 z;" "( 1 z$>"ABCDEFG"(nq) 1 z$="123456789": 1 z$; " Correct": 1 yint=nminc: 1 yint*vsf*.5 1 ycur=ycur+yint: 1 y0=by-ymn*vsf 1 xmn,xmx,ymn,ymx,lx,by,hsl,vsl,h$,v$,u$ 1 xint=nminc: 1 x0=lx-xmn*hsf 1 x,vsf*(100 1 wdth=wdth+1 1 w(ymn,yint/2 1 w(xmn,xint*.5 1 vsf=vsl/(ymx-ymn): 1 vert track randomize-ve acc. 1 vert track randomize for zero acc. 1 vert track randomize +ve acc. 1 velocity,time,distance 1 u(ymx,yint/2 1 u(ymn,yint): 1 u(xmx,xint*.5 1 twdth=wdth*flds*8 1 tries=tries+1 1 tl,lc,flds,wdth,ent,t$,b$ 1 tbcx=tbcx+1 1 q$,c$,nq,lq,cq: 1 q$,ans,rng 1 pl,pc;q$;ip;: 1 nminc+"e"+ 1 ncor=ncor+1 1 n$=n$+f$(1 1 m(curln,curmargindx,indx of last entry,1stmargin,2ndmargin,etc.) 1 lq,cq;q$'' 1 lc=lc+wdth: 1 lc+(flds*wdth)-1 1 labelled curve 1 j$=j$+(s$( 1 initalisation 1 inc*ln10th: 1 i=xinc/hsf 1 i(by+vsl)+1 1 ht=-(2.125 1 hsf=hsl/(xmx-xmn): 1 horiz track data 1 help=z$="H" 1 hat is the acceleration in ms 1 hat is the acceleration (m/s 1 gtb;"which is the"' 1 gtb;"acceleration." 1 gtb;" =20ms 1 g$="(y-u)/ga": 1 g$="(y-u)/a": 1 g$="(y-u)/a" 1 free fall up 1 free fall qs 1 free fall down 1 f$="u+ga*x": 1 f$="u+a*x": 1 f$="u+a*(x-6)": 1 f$="ac*x": 1 elect the correct velocity-time"'"curve (1-4)."; 1 e$="v+(u+a*t)*t": 1 e$="a+v*t": 1 e$="(u+a*t)*t" 1 dtint=t/nd 1 draw graph 1 demonstration 1 deceleration qs 1 d$="v-step= 60 m/s": 1 d$="t-step= 3 s": 1 d$="distance (m)": 1 cq;"it is ";c$; 1 cq;"Answer 1 cq;"ABCDEFG"(z);" ";q$: 1 composite motion qs 1 cl rh screen 1 check answer 1 another run? 1 adr=chars+8 1 acceleration****** 1 acceleration qs 1 a(ans,ip,rng): 1 X(t),y0-yd: 1 What is the value,in seconds,of"'"T1, when the object is highest?"; 1 What is the value of T3,when it"'"is half way up,to the nearest 1 What is the value of T2 (s),the"'"time when it lands again?"; 1 What is the average velocity,in"'"m/s for the whole trip?"; 1 What is the acceleration in the"'"last second (in ms 1 W P Q R S T U V W@P@Q@R@S@T@U@V@W`P`Q`R`S`T`U`V`W 1 VERT MOVE DOWN 1 TEST SECTION 1 Quiz master 1 Please enter your choice 1 O H I J K L M N O@H@I@J@K@L@M@N@O`H`I`J`K`L`M`N`O 1 MOTION | 1 MOTION 1 How far does it go whilst dec-"'"elerating."; 1 How far does it go while it is"'"accelerating?"; 1 How far does it go at constant"'"velocity?"; 1 G @ A B C D E F G@@@A@B@C@D@E@F@G`@`A`B`C`D`E`F`G 1 Free fall track data 1 FREE FALL section.....4 1 Created with Ramsoft MakeTZX 1 =;" secs.";: 1 =*hsl/(xmx-xmn): 1 ;"velocity -"; 1 ;"useful to"' 1 ;"under the"; 1 ;"travelled." 1 ;"time taken=6*0.5s = 3 s"''"And velocity=distance travelled"; 1 ;"time taken 1 ;"time graph"' 1 ;"time between dots = 1 s": 1 ;"time between dots = 1 s" 1 ;"time "; 1 ;"the area"' 1 ;"know that"' 1 ;"is equal to"; 1 ;"height"(z): 1 ;"followed by < 1 ;"distance"' 1 ;"change in velocity"' 1 ;"at the same height,"; 1 ;"any other letter for"; 1 ;"a=acceleratn.,u=initial velocity" 1 ;"a new height." 1 ;"a height of ";h;" m"; 1 ;"__________________"' 1 ;"When you want to drop the object";: 1 ;"When you get the 'press any key'"'"prompt, and respond,you will see"'"an object move along the track."'" time between dots = 1 s ." 1 ;"What is the average velocity in"'"m/s in the 2nd second ?" 1 ;"VELOCITY"; 1 ;"Type height to fall from"'' 1 ;"Type a number & press 1 ;"Time between dots =";dtint*.02 1 ;"The object drops from"; 1 ;"TEST QUESTIONS"' 1 ;"PROGRAM OPTIONS"; 1 ;"Number of questions tried ";tries''"Number of correct replies ";ncor 1 ;"Now select the correct distance-"'"time graph." 1 ;"MOTION"; 1 ;"MAIN PROGRAM LOADS" 1 ;"It is also"' 1 ;"Here is another object; watch itmove.(0 1 ;"Here is another object; watch it"'"move. One second between dots." 1 ;"Height (m)=?";h; 1 ;"Good luck!": 1 ;"Excellent!!" 1 ;"Area (m)" 1 ;"ACCELERATION"' 1 ;"=150/3 = 50 m/s"; 1 ;"= ";v;" m/s"; 1 ;"********************************"; 1 ;"(50m - 175m)"'' 1 ;" When you want a demonstration,": 1 ;" To see the velocity time graph,";: 1 ;" PLEASE WAIT, WHILE THE"'' 1 ;" On the graph you will see three"'"velocity-time curves.What is the"'"acceleration (ms 1 ;" And this is the velocity - time"'"graph for the run."; 1 ;" When you are ready to try for"'" yourself, press any key.";: 1 ;" Objects move across the track"'"which you can see at the top of the screen. As they move they"'"print dots at regular time int-"'"ervals to mark their position." 1 ;" MOTION "," 1 ;" Here now are velocity - time"'"graphs for lots of objects."'" For each one you should try to"'"relate the acceleration and the"'"distance travelled to the grad-"'"ient of the graph and the area"'"under it." 1 ;" Time between dots=";dtint*.02 1 ;" Press any key to continue.";: 1 ;" ";: 1 ;" "; 1 63634VERT MOVE UP 1 3..Distance-time 1 2:\!4!"B\> 1 2 s between dots.)"; 1 2 s between dots" 1 1983 Scical Software Ltd 1 16 September 1983 1 1-";z$(nch);" 1 ,pc;(q$);"?";ip; 1 ,lx+hsl,yax: 1 ,lx+hsl,yax-16 1 ,gtb;"gradient=60/3"' 1 ,dtint*.02 1 ,(Y1+Y2)*.5 1 ,(X1+X2)*.5 1 ,"time t (s)"," velocity v","(m/s)": 1 ,"t(s)"," v","(m/s)": 1 ,"t (s)","v","(m/s)": 1 ,"t (s)"," v","(m/s)": 1 ,"t (s)"," s","(m)" 1 ,"Graph 1","Graph 2","Graph 3","Graph 4": 1 ,"Graph 1","Graph 2","Graph 3","-10": 1 ,"50m","100m","150m","200m","250m": 1 ,"5","10","15","20","30": 1 ,"25m","45m","60m","75m","90m": 1 ,"2","5","10","15","20": 1 ,"10","5","-5","-10","-20": 1 ,"10 km/hr","30 km/hr","48 km/hr","72 km/hr","90 km/hr": 1 ,"/Time/Velocity/Velocity/","*Step*(m/s)*Change*": 1 ,".5","1","2","10","20": 1 ,".25",".5","1","10","20": 1 ," 25m"," 50m"," 75m","100m","125m": 1 ," 20"," 50","-10","-20","-50": 1 ," 10"," 5"," 1"," -5","-10": 1 ," "," height","(m)" 1 +(+ncor/tries)*100 1 *dtint*.02 1 *(ymx-ymn)/vsl: 1 *(xmx-xmn)/hsl: 1 )=g*hsf+X0: 1 )=f*vsf+Y0 1 )="8");" ";p$;"% success rate." 1 )-m(tbcx)-1 1 ),m(tbcx);" "( 1 ) in each case?" 1 ((upr/(et*et))-(u/et)): 1 ((t-c)/c)*100 1 '';" ACCELERATION DUE TO GRAVITY"'" 1 ''''''''" Please wait a short while for"'" the prompt to appear and"'" then press key A." 1 '''"You will be asked for the height"'"from which you want the body to"'"fall. You start it falling by"'"pressing any key, when it will"'"make a beep.It will make another" 1 '''"Here are five questions for you"'"to try.Each question has several"'"parts, and they are given to you"'"in sequence." 1 ''"so the velocity is ";d10;"/";t'' 1 ''"Yes, well done.That is the right answer."''': 1 ''"Option 1 ''"No,that is not the right answer."'''" Type T to try again."'" Type H if you want help."; 1 ''"If you are really keen, you will"'"relate the acceleration and the"'"initial velocity values to the"'"distance travelled and the time"'"taken using the equations in the"'"booklet." 1 ''"Here is its distance-time graph." 1 ''" You should be able to count SIXtime steps between 0 m and 150 mon the scale."'" This means that the object cov-ered 150m in the time it took toprint 6 dots." 1 ''" Calculate the velocity of the"'" object using the dots and the"'" scale."; 1 ''" For uniform acceleration, the"'"graph is a straight line with a"'"constant gradient." 1 '"or in other words acceleration !"; 1 '"You reply by typing the letter"'"corresponding to the answer that"'"you think is correct." 1 '"Which is a";"n" 1 '"In TEN time steps the distance"'" travelled is ";d10;" m"''"the time taken is ";t;" s" 1 '"Each question asks for an answer"'"by printing a list of possibil-"'"ities labelled with the letters"'"A,B,C, etc." 1 '" change in velocity = 20 =20m/s 1 '" With the dots and the scale youcan find the object's velocity"'"by counting dots and measuring"'"distances." 1 '" So, distance travelled=150m"' 1 '" In this section you can measure"'"the acceleration of free fall by"'"dropping bodies from different"'"heights and timing their descent"'"with a stopwatch." 1 '" See the booklet on how to pro-"'"cess your results."''" Don't forget the stopwatch!" 1 '" If an object gathers speed it"'"is said to accelerate."'" The distance travelled in each"'"time interval changes and so the"'"distance between dots changes." 1 '" An object released from rest"'"above the surface of the earth"'"will fall, and as it does so it"'"accelerates. The acceleration is" 1 '" Positive acceleration"'" Negative acceleration"'" Zero acceleration." 1 "velocity (m/s)=",v,5 1 "the same for all objects, if the"'"resistance to motion,for example"'"wind pressure, is negligible." 1 "s=distance at time t, v=velocity";#1 1 "increased."'" Measure the velocity in each"'"time step by dividing distance"'"by time and check the table." 1 "iii Negative acceleration.The"'" graph curves downwards, &"'" the equation of motion is"'" 1 "first","10","","second","30","20","third","50","20","fourth","70","20","fifth","90","20" 1 "beep when it hits the ""ground""."''" Repeat readings at least three"'"times for each height, and take"'"measurements for at least five"'"different heights." 1 "What is the average velocity in"'"the third second ?" 1 "Very good indeed!": 1 "This acceleration of 20 ms 1 "There are three types of curve:" 1 "The gradient of such a graph is"; 1 "Pretty good. You're obviously"'"getting the hang of this.": 1 "O.K. but I think you need a bit more practice.": 1 "Now the main program loads in:"'"It will save itself automatic-"'"ally in an """"as sold"""" form." 1 "Now the data bytes are saved"'"onto your master tape." 1 "Not too bad, but why not try a"'"few more questions?": 1 "No,in fact"' 1 "Next this BASIC header is saved"'"so it runs from line 20." 1 "Moderate, but room for improvem-"'"ent?": 1 "In the 2nd second, the average"'"velocity was 30 m/s, and in the"'"third second it was 50 m/s."'" 1 "Hello Spool. First some bytes of"'"data are loaded." 1 "Graph 3","D",5 1 "Graph 2","B",5 1 "Graph 1","A",5 1 "'''"Question 1 Velocity-time curves"''"Question 2 Acceleration"''"Question 3 Deceleration"''"Question 4 Motion under gravity"''"Question 5 Composite motion" 1 "'"where v is the velocity at time"'"t,u is the initial velocity and"'"a is the acceleration."; 1 " ii Zero acceleration,or cons-"'" tant velocity. The graph"'" is a straight line, and"'" the equation of motion is"'" 1 " VELOCITY is defined as the rate"'"of change of distance with time."'"ie distance travelled divided by"'"time taken."; 1 " Bullseye! Very good indeed!" 1 " An object is thrown up from the"'"ground.It reaches a height of 5m"'"before falling back. Assume acc-"'"eleration due to gravity=10ms 1 " 1 s between dots."''" Acceleration is defined as the"'"velocity CHANGE divided by the"'"time for the change.The acceler-"'"ation of our object is" 1 " i Positive acceleration.The"'" graph curves upwards, and"'" the equation of motion is"'" 1 " This means that the S.I. unitsof acceleration are (m/s)/s moreusually written as ms 1 " These graphs can take various"'"shapes according to the acceler-"'"ation, and the velocity of the"'"object when it enters the track." 1 " The equation of the line is"' 1 " Distance-time graphs are now"'" shown for the three cases" 1 " Acceleration is defined as the"'"rate of change of velocity with"'"time. In other words the change"'"in velocity divided by the time"'"taken to make that change." 1 " A graph of velocity plotted"'"against time provides a clearer"'"picture of what happens when an"'"object accelerates." 1 " That was an object starting"'"from rest and accelerating up"'"the track.Every second it made a"'"dot but because it was speeding"'"up the distance between the dots"; 1 " In addition to velocity-time"'"graphs,distance-time graphs can"'"be drawn." 1 " Type A for another run,"'" R to return to the menu."; 1 to repeat run"; 1 is"'"equivalent to a velocity change"'"in one second of......" 1 for the question menu." 1 for the next question."''"Type 1 for menu";: 1 another run : 1 What is the velocity, in m/s"'" when it hits the ground again?"; 1 What is the launch velocity in"'"m/s ?"; 1 Velocity,time and distance." 1 Test questions." 1 Return to main menu" 1 Press any key. 1 Distance time graphs." 1 Acceleration, and velocity- time graphs."; 1 Acceleration of free-fall." 1 1983 SciCAL Software Ltd."; 1 1983 SciCAL Software Ltd. ";"********************************" 1 1983 SciCAL Software Ltd.