physics
posted by blah .
Three vectors are given by = 1.0 + 3.0 + 4.7, = 2.0 + 2.0 + 4.0, and = 3.0 + 4.2 + 4.0. Find (a)·( × ) and (b)·( + ).

physics 
drwls
You seem to have omitted the unit vector designation (usually written i, j and k). What you have written are not vectors, but sums of numbers.
What does the equals sign in front of each trio of numbers represent?
One doesn't take cross products of three vectors.
Respond to this Question
Similar Questions

physics
Three vectors are given by = 4.5 + 2.5  2.0, = 1.0  4.0 + 5.0, and = 2.0 + 2.0 + 1.0. Find the following. (a) a · (b*c ) (b) a· (b+c) (c) a x( a+b) 
Physics
A football player runs the pattern given in the drawing by the three displacement vectors , , and . The magnitudes of these vectors are A = 6.00 m, B = 13.0 m, and C = 15.0 m. Using the component method, find the (a) magnitude and … 
Physics
A football player runs the pattern given in the drawing by the three displacement vectors A ,B ,C and . The magnitudes of these vectors are A = 4.00 m, B = 17.0 m, and C = 19.0 m. Using the component method, find the (a) magnitude … 
physics
Three vectors are shown in Fig. 332 (A = 60.0 , B = 56.0°). Their magnitudes are given in arbitrary units. Determine the sum of the three vectors. (a) Give the resultant in terms of components. (b) What is the magnitude of the resultant? 
physics
A football player runs the pattern given in the drawing by the three displacement vectors A, B, and C. The magnitudes of these vectors are A = 5.0 m, B= 15 m, and C = 18 m. Using the component method, find the magnitude and direction … 
Physics
Three vectors are given by a= 0i+0j+4.0k , b= 3.0i+ 3.0j+1.0k and c=1.0i+2.0j+1.0k. Find (a) a(bxc) and (b)a(b+c) 
Calculus
How would I find the equilibrant of three vectors? 
physics
A football player runs the pattern given in the drawing by the three displacement vectors , , and . The magnitudes of these vectors are A = 4.00 m, B = 15.0 m, and C = 18.0 m. Using the component method, find the (a) magnitude and … 
Physics
A football player runs the pattern given in the drawing by the three displacement vectors A, B, and C. The magnitudes of these vectors are A = 5.0 m, B= 15 m, and C = 18 m. Using the component method, find the magnitude and direction … 
Physics
Please help me with this its very hard to visualize the problem. The analytical method of adding vectors expressed in terms of their components may be applied to vectors in three dimensions, for which graphical work is inconvenient. …