Friday
May 24, 2013

# Posts by j

Total # Posts: 623

Calculus
thankyou!

Calculus
Determine the vector u = AB and its magnitude, given A(3,7,-2) and B(9,1,5).

Calculus
thank you!

Calculus
Calculate the angle between u = [5,7,-1] and v = [8,7,8]

Calculus
thank you!

Calculus
Calculate the dot product of two vectors: m = [4,5,-1] and n = [6,-2,7]

Calculus
Find the total work done by a 15 N force in the direction of the vector [1,2,2], when it moves a particle from O[0,0,0] to P[1,-3,4] and then from P to A[7,2,5]. Distance is measured in metres.

Calculus
for this question, do i have to solve it? it just says interpret the results, does that mean only explain? im trying to solve it right now. i have: L1: [x,y,z]=[-1,1,0]+s[3,4,-2] L2: [x,y,z]=[5,9,-4]+t[2,3,1] First, cross product of the two directional vectors from both lines:...

Calculus
Find the distance between the lines [x,y,z] = [-1,1,0] + s[3,4,-2] and [x,y,z] = [5,9,-4] + t[2,3,1]. Interpret the result.

Calculus
Isnt it 30 + 50 + 10 because 10* 1 is 10 so final is = 90

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