2 files changed, 37 insertions, 0 deletions
diff --git a/3886/CH12/EX12.12/12_12.sce b/3886/CH12/EX12.12/12_12.sce
new file mode 100644
index 000000000..07c7e6818
--- /dev/null
+++ b/3886/CH12/EX12.12/12_12.sce
@@ -0,0 +1,29 @@
+//Two cars
+//refer fig.12.13
+//Let A and B be the positions of cars when the drivers see each other and apply brakes
+//Let they meet at C
+//1.car A
+au=12  //m/sec
+av=0
+//s=x
+//a1 be acceleration
+//using equation of motion
+//a1=(-12)/t
+//x=6*t
+//2.car B
+bu=9  //m/sec
+bv=0
+//a=a2
+//time=t
+//s=100-x
+//using equation of motion
+//a2=-9/t
+//100-x=4.5*t
+//solving
+t=100/10.5  //sec
+a1=-12/t  //m/sec^2
+a2=-9/t  //m/sec^2
+x=57.14  //m
+//distance traveled by second car
+bx=100-x  //m
+printf("\nt=%.2f sec\na1=%.2f m/sec^2\na2=%.2f m/sec^2\nDistance travelled by first car=%.2f m\nDistance travelled by second car=%.2f m",t,a1,a2,x,bx)
diff --git a/3886/CH12/EX12.12/12_12.txt b/3886/CH12/EX12.12/12_12.txt
new file mode 100644
index 000000000..e96634eef
--- /dev/null
+++ b/3886/CH12/EX12.12/12_12.txt
@@ -0,0 +1,8 @@
+ 
+--> exec('E:\My program EM\12. Linear motion\12.12.sce', -1)
+
+t=9.52 sec
+a1=-1.26 m/sec^2
+a2=-0.95 m/sec^2
+Distance travelled by first car=57.14 m
+Distance travelled by second car=42.86 m
+\ No newline at end of file