Use properties of the cross product to calculate the following: (a) (e1+e2)×(e1×e2) = (b) 3e3×(e3+e2) =

Use properties of the cross product to calculate the following: (a) (e1+e2)×(e1×e2) = (b) 3e3×(e3+e2) =

The definition I’ve been given of convex inequalities is the following: A set A ⊂ Rn is convex if: • For any vectors a, b ∈ A • For any λ ∈ [0,1] • The point λa + (1 - λ)b ∈ A I...

Anylitical method for determining magnitude of unknown force in equilibrium

Find horizontal component of a vector with 880N force acting at an angle of 60 degrees in counterclockwise in positive X-axis

I want different methods for this problem.Please help me teachers

If ABCD is a paralleloid, E is the middle of AB. If DE intersects AC on F. Then, Prove AF=AC/3 and FE=DE/3

what is the length of 3i + 2j + 4k vector in YZ plane

A co-ordinate system consisting X and Y axis is rotated by an angle θ in anticlockwise direction in the same plane.The unit vector along new set of axes x' and y' respectively are ? . considering...

a) 37 degrees South of East b) 90 degrees c) 53 degrees South of East

1)At what speed does the vehicle move along its descent path? 2)At what angle with the vertical is this path? 3)If the vehicle is 230 m above the surface,how long until it reaches the surface...

If A = 6i -8j and B = - 16i + 5j , what is the magnitude of the vector C = 2A - B ?

a pedestrian walks a rate of 6km per hour east. The wind pushes him nrthwest at a rate of 13 km. per hour. Find the magnitude of the resultant vector

use vectors given to solve

Considering that a and b are scalar to each other

In a rectangle ABCD, the ratio between the side lengths AB and AD is sqrt(2):1. Let M be the midpoint of side DC. Use the dot product to prove that the diagonal BD is orthogonal to the line AM.&n...

Given the vectors: r = <8, 1, -6>; v = <6, 7, -3>; w = <-7, 5, 2>

Find the real number a such that the vector w = au+v is perpendicular to 2u-v Im trying to solve this but I dont know how to do this ... could anyone please help me? u = 2i +...

this is the second part of the question I'm having problems with...For the entire US, the proportion of people who moved is 0.16. Do you think there is evidence to conclude that the town has a higher...

Find the unit vector that's in the same direction as w=20i-21j

Find the components of vector u with a magnitude of 10 and a direction angle of ∅=54°

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