{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

PHYS 151Q.005 2-1-2008

# PHYS 151Q.005 2-1-2008 - = = =-= uuu uuu v v uuu v 2 2...

This preview shows pages 1–2. Sign up to view the full content.

Day 5 Fri 2-1-08 PHYS 151Q.005 4.7 A sailboat race course consists of four legs defined by the displacement vectors A, B, C and D as the drawing indicates. The magnitude of the first three vectors are A-3.2km, B=5.1km and C- 4.8km. The finish line of the course coincides with the starting line. Using the data in the drawing, find the distance of the fourth leg. , ', ' ' ' ', ' ' ' (0,0) ( ) 3.2cos40 2.41 3.2sin 40 2.06 (2.41,2.06) ' ( ) ' 5.2 ' cos35 4.18 ' sin35 2.92 (2.41 4.18,2.06 2.92) ( ) 4.8cos(180 23) 4.42 4.8si a a a a B B B B C C C C O A x y X Y A B x y B km x B y B B OA AB BC x y x y = = = = = = = = = = = - = = = +

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: = = + = -= uuu uuu v v uuu v 2 2 n(180 23) 1.88 (2.41 4.18 4.42,2.06 2.92 1.88) ( 6.19,3.1) ( 6.19 0) (3.1 0) 6.92 OC OB BC OC OC + = -= + =--+-= -=--+-= uuu uuu uuu v v v uuu v uuu v 40 cos23 ( 4.42, 1.88) (6.19, 3.1) 4.42 6.19 1.88( 3.1) 27.3 ( 5.82) 21.48 49.4 23 26.4 C OC BC OC BC B C OC BC OC θ α =180 - -α + 75+122 + 23+ = 360 180 - - 40 + 75+122 + 23+ Β = + =-= --=-= +-= + -=-= uuu uuu uuu uuu v v v v g uuu v uuu v uuu uuu v v g...
View Full Document

{[ snackBarMessage ]}