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  1. V = 4 / 3 * pi * r ^ 3 r = d / 2. so V = 4 / 3 * pi * (d /2 ) ^ 3 = 4... for your dimensions, if d is in metres, V is in cubic metres. If d is in inches, V ...

    1 Answers · Education & Reference · 05/11/2007

  2. So, I presume, U + V simply means the union of the two sets, whereas U ++ V ...look like graphically. They are simply all multiples of u and v respectively, which form a line in the directions of u and v respectively. ...

    2 Answers · Science & Mathematics · 19/07/2011

  3. v = u + 2w v = 2i - j + 2(i + 2j) v = 2i -j + 2i + 4j v = 4i + 3j

    2 Answers · Science & Mathematics · 25/06/2011

  4. || 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. sin v + (cos v ) / 4 = 0 = sin v = - (cos v ) / 4 = (sin v ) / (cos v ) = -1 / 4 = tan v = -(1 / 4...by [a^2 + b^2 = c^2], c^2 = 1 + 16 = c = root17 Thus, cos v = adjacent / hypotenuse = 4 / root17. Since either [sin v ] or [cos v ...

    2 Answers · Science & Mathematics · 21/09/2008

  6. Let v be in V . Since π is a projection, π^2 = π. Thus if v is in V , π( v - π( v )) = π( v ) - π^2( v ) = π( v ) - π( v ) = 0, i.e., v - π( v ) is in ...

    1 Answers · Science & Mathematics · 27/11/2012

  7. a) v (t) =-0.5(t+5)^2 +2000 v '(t) = -0.5 (2)(t+5) = -1(t+5) = -t-5 v '(10) = -10-5 =-15 (instantaneous...t)=-10 -10 = -t-5 add 5 to both sides -5 = -t t = 5 c) [ v (2)- v (0)]/(2-0) = [ v (2)- v (0)] /2 v (2) = -0.5(2+5)^2 +2000 = -0.5...

    1 Answers · Science & Mathematics · 02/09/2011

  8. sin(arcsin(t)) = t cos(t)^2 + sin(t)^2 = 1 Combining those: cos(arcsin( v ))^2 + sin(arcsin( v ))^2 = 1 cos(arcsin( v ))^2 + v ^2 = 1 cos(arcsin( v ))^2 = 1 - v ^2 cos...

    1 Answers · Science & Mathematics · 16/08/2015

  9. make a triangle like this one v ....^ .../M\ / D | V \ -----|----- put m on top, d on the...the little line is like a division bar. if you're trying to find V , it'll be m/d ...line again. &If you're trying to find M...

    9 Answers · Education & Reference · 30/09/2009

  10. V = 3î – 2 ĵ             _________         │ V ... V ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  Unit Vector for vector V  =  V ⁄ √13              = (3 ⁄ √13)î – (2...

    3 Answers · Education & Reference · 14/03/2013

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