1 files changed, 13 insertions, 0 deletions
diff --git a/1301/CH4/EX4.9/ex4_9.sce b/1301/CH4/EX4.9/ex4_9.sce
new file mode 100755
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+clc;
+G=6.67*10^-11   //universal gravitational constant in Nm square/kg square.
+m1=5.98*10^24;   //mass of earth in kg
+m2=7.36*10^22;   //mass of moon in kg
+r=3.84*10^8;     //radius of moon's orbit
+F=(G*m1*m2)/(r*r);  //calculating gravitationalforce in Newton
+v=sqrt((G*m1)/r);    //calculating velocity of moon in m/sec
+s=2*%pi*r;    //calculating circumference of moon's orbit in metre
+t=s/v;        //calculating time in sec
+disp(F,"Gravitational Force in Newton = ");  //displaying gravitational force in Newton
+disp(v,"Velocity in metre/sec = ");   //displaying velocity in metre
+disp(t,"Time in sec = ");  //displaying time in sec.
+disp(t/86400,"Time in days = ");  //displaying time in days
+\ No newline at end of file