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Diffstat (limited to '3886/CH12/EX12.13/12_13.sce')
| -rw-r--r-- | 3886/CH12/EX12.13/12_13.sce | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/3886/CH12/EX12.13/12_13.sce b/3886/CH12/EX12.13/12_13.sce new file mode 100644 index 000000000..f245fc9fb --- /dev/null +++ b/3886/CH12/EX12.13/12_13.sce @@ -0,0 +1,14 @@ +//Car and truck
+//refer fig.12.14 and 12.15
+u=12.5 //m/sec
+//sT=10+12.5*t+(aT*t^2)/2
+aT=-2 //m/sec^2
+//t is the time at any instant after the brakes are applied
+//sT=10+12.5*t-t^2
+//distance moved by car
+//sC=u*2+u*(t-2)+(aC*(t-2)^2)/2
+//sT=sC
+//Apply equations of motion
+//we get quadratic equation whose solution gives
+aC=-10/3 //m/sec^2
+printf("the deceleration of the car is=%.2f m/sec^2",aC)
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