1 files changed, 14 insertions, 0 deletions
diff --git a/3886/CH12/EX12.18/12_18.sce b/3886/CH12/EX12.18/12_18.sce
new file mode 100644
index 000000000..bc53c3a12
--- /dev/null
+++ b/3886/CH12/EX12.18/12_18.sce
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+//Car moving
+//let the expression for retardation be
+//a=-k*s  ...k=constant
+//v^2/2=(-k*(s^2)/2)+C1
+//When brakes are applied
+//s=0 and v=72 kmph
+v=20  //m/sec
+C1=200
+//when vehicle stops
+//v=0  s=15 m
+k=400/225
+//expression for retardation is
+//a=-1.778*s    ...theory approach
+printf("The expression for retardation is a=-1.778*s")
+\ No newline at end of file