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Diffstat (limited to '2708/CH7/EX7.4/ex_7_4.sce')
| -rwxr-xr-x | 2708/CH7/EX7.4/ex_7_4.sce | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/2708/CH7/EX7.4/ex_7_4.sce b/2708/CH7/EX7.4/ex_7_4.sce new file mode 100755 index 000000000..a43fe3ce4 --- /dev/null +++ b/2708/CH7/EX7.4/ex_7_4.sce @@ -0,0 +1,10 @@ +//Example 7.4 // solar energy
+clc;
+clear;
+//given data :
+r=1.5D11;//distance from sun to earth
+P=3.8D26;//power radiated by sun
+N=P/(4*%pi*(r^2));// poyting vector (average energy)
+N=N*60/4.2D4 ;//to convert watt/m2 into cal/cm2.min
+N=ceil(N);
+disp(N," average solar energy in cal/cm2.min")
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