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1. ### Find the unit vector for v = -6i +5j?

v = -6i + 5j || v || = | -6i + 5j | = √[(-6)² + (5)²] = √61 Unit vector = v / || v || = (-6i + 5j) / √61 or (-6/√61)i + (5/√61)j Hope this helps! J

3 Answers · Science & Mathematics · 01/05/2012

2. ### Find the unit vector that has the same direction as the vector v .?

Recall that if any vector that is a scalar multiple of v has the same direction as v . In the case of making a unit vector...

4 Answers · Science & Mathematics · 01/12/2012

3. ### how to solve this problem for v ?

cross multiply you get -3v( v ∧2-4v+4) = -24( v -2) divide both sides by -3 ==> v ( v ∧2-4v+4) = 8( v -2) ==> v ^3 - 4v^2 +4v = 8v - 16 ==> v ^3 - 4v^2 +4v - 8v +16 = 0 ==> v ^3 - 4v^2 - 4v +16 = 0 now solve using calculator or factor theorem let f( v ...

5 Answers · Science & Mathematics · 19/06/2011

4. ### Find each quantity if v = 3i-5j and w=-2i+3j?

|| v || = √((3)² + (-5)²) = √(9 + 25) = √34 ||w|| = √((-2)² + (3)²) = √(4 + 9) = √13 || v || - ||w|| = √34 - √13 ≈ 2.2254

2 Answers · Science & Mathematics · 14/03/2013

5. ### Find || v ||-||w||, If v = -3i-3j and W= -5i-5j?

|| v || = sqrt(x^2 + y^2). Square the x and y components. Add. Take the square root. Do the same with w to get ||w||. || v || - ||w|| means take the value of || v | and the value of ||w|| and subtract. "...

1 Answers · Science & Mathematics · 08/07/2013

6. ### lim V , m-->∞ =?

lim V , m-->∞ =? V = [mg / c] [1 - e^(-ct)/m)] = g* [1 - e^(-ct)/m)] / [c / m] (0/0) form ------(1) let c / m = k V = g* [1 - e^-kt] / [k] -------------------------------------------------- e^-kt = 1 - kt + (kt...

4 Answers · Science & Mathematics · 04/04/2007

7. ### How to find the value of v in here?

v ^4 + 9v^3 - 13v^2 - 213v - 360 = 0 You start by testing out values...6's, 9's and also a few negative signs, so I will test out v = -3: (-3)^4 + 9(-3)^3 - 13(-3)^2 - 213(-3) - 360 = 81 - 243 - 117 + 639 - 360 = 720...

2 Answers · Science & Mathematics · 11/11/2012

8. ### Find || v ||?

IIvII is the magnitude of a vector. 1) v = -5i +12j - Disregard the i and j and focus on the numbers. therefore...

2 Answers · Science & Mathematics · 19/02/2008

9. ### How do I solve for V in this equation!!?

-2/(2 v +4) - 3 = -6/( v +2) You need to find the lowest common denominator, or... the same as 3/1 Your third terms denominator is v + 2 Since both 1 & v + 2 both go into 2v + 4, 2v + 4 is the ...

2 Answers · Science & Mathematics · 18/01/2011

10. ### Solve for v ...?

p = 1 / [ √(1 - ( v ^2/c^2)) ] p [ √(1 - ( v ^2/c^2)) ] = 1 squaring on both sides to get rid of the sq.root p^2 (1- ( v ^2/c^2)) = 1 1 - ( v ^2/c^2) = 1 / p^2 v ^2/c^2 = 1 - (1/p^2) v ^2 = c^2...

3 Answers · Science & Mathematics · 15/05/2008