diff options
Diffstat (limited to '1205/CH14/EX14.3/S_14_3.sce')
-rw-r--r-- | 1205/CH14/EX14.3/S_14_3.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/1205/CH14/EX14.3/S_14_3.sce b/1205/CH14/EX14.3/S_14_3.sce new file mode 100644 index 000000000..f415e7249 --- /dev/null +++ b/1205/CH14/EX14.3/S_14_3.sce @@ -0,0 +1,26 @@ +clc;
+m=200;//kg, mass of space vehicle
+vo=150;//m/s i, relative velocty of vehicle with frame at t=0
+mA=100;//kg, mass of part A
+mB=60;//kg, mass of part B
+mC=40;//kg, mass of part C
+vA=[270,-120,160];//m/s, velocity of A
+t=2.5;//s, given time
+A=[555,-180,240];//m, Position of A at t=2.5
+B=[255,0,-120];//m, Position of B at t=2.5
+
+r=[vo*t,0,0];//m, Position of mass center G
+
+//recalling 14.12
+//m*r=mA*rA+mB*rB+mC*rC
+rA=A;//m,
+rB=B;//m
+
+rC=(m*r-mA*rA-mB*rB)/mC;//m, Position of part c at t=2.5 s
+//m*vo=mA*vA+mB*vB+mC*vC and 1
+//Ho1=(Ho)2 ....2 gives equation
+// Equate i coefficient of 1 and j and k coefficients of 2 to zero as B lies in xz plane
+vCy=300;//m/s, y component of velocity of part C
+vCz=-420*vCy/450;//m/s, z component of velocity of part C
+vCx=(105*vCy-45000)/450;//m/s, x component of velocity of part C
+printf("Velocity of part c at t=2.5 s is vC= (%.0f m)i +(%.0f m)j +(%.0f m)k\n",vCx,vCy,vCz);
|