http://www40.brinkster.com/sathapornprom
http://sathaporn.exteen.com
coulomb's law
- k(N.m2/C2)=9.00e9
- q1(C)=1.60e-19
- q2(C)=1.60e-19
- r(m)=0.53e-10
- F(N)=k*q1*q2/r2
Note-script
<![CDATA[
- - - - --
<body>
<form name="mycoulomb1">
<input type=button name=button1 value="RUN" onclick="calculate()">
</form>
<script language="javascript">
function calculate() {
var k=9.00e+9;
var q1=prompt("input q1(C)=","1.60e-19","coulomb's law");
var q2=prompt("input q2(C)=","1.60e-19","coulomb's law");
var r=prompt("input r(m)=","0.53e-10","coulomb's law");
var f=k*q1*q2/(r*r);
alert("F(N)="+f);
document.write("physicsmatayom_coulomb"+"<BR>")
document.write("<hr>")
document.write("k(N.m^2/C^2)="+k+"<BR>")
document.write("q1(C)="+q1+"<BR>")
document.write("q2(C)="+q2+"<BR>")
document.write("r(m)="+r+"<BR>")
document.write("F(N)="+f+"<BR>")
document.write("<hr>")
}
</script>
</body>
- - -
]]>
End note-script