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  1. I' m going to assume you mean orthogonal...case, you are seeking a vector ( a , b, c) such that ( a , b, c) * v = 0. Since v = (1, 2, 1) in...b, - a -2b), or u = ai + bj + (- a -2b) k , where a and b are real ...

    1 Answers · Science & Mathematics · 17/07/2012

  2. ...motion is described by : deflection = s = A .sin(ωt) where ω = √( k / m ), A = amplitude and t = time. The velocity is: v = ds/dt = A .ω.cos(ωt) so A .ω = A .√( k / m ) = 5.4 at...

    1 Answers · Science & Mathematics · 30/04/2011

  3. a =kt² ; so v = ∫ a .dt = ⅓. k .t³ + C₁and s = ∫ v .dt = k .t⁴/12 + C₁.t + C₂ ; ... v = t³/27 +10 which at t=2 gives v = 10.3 m /s

    2 Answers · Science & Mathematics · 01/09/2013

  4. Part 1 Find time period (T) from the formula T = 2*pi*( M / k )^0.5 Then use T = 2*pi / ! Part 2 At equilibrium v = A * ! From here calculate A but this A is w.r.t origin and...

    2 Answers · Science & Mathematics · 17/07/2011

  5. mv'+kv=mg v '+( k / m ) v =g Let k / m = a Use ( k / m = a ) to get the integrating...t=0, v0=mg/ k +C C=v0-mg/ k v =mg/ k +(v0-mg/ k )e^(( k / m )t)) From there you can integrate one more...

    1 Answers · Science & Mathematics · 31/07/2009

  6. ... + g* m / k )*( m / k ) = -( V * m / k + g*( m / k )^2) So: x(t) = A -( V * m / k + g*( m / k )^2)*exp(- k *t/ m ) - g* m *t/ k If we take x = 0 as the initial position...

    1 Answers · Science & Mathematics · 19/10/2008

  7. Without any info. as to what " v ","w", and " k " represent no one can know the answer.

    1 Answers · Science & Mathematics · 24/09/2011

  8. Relevant Formula: V (max)= A √( k / m ) ----------------------------------------------------------------- V (max)= 0.50m/s , K =15 N/ m , and m =1.3kg...

    2 Answers · Science & Mathematics · 09/03/2013

  9. ...by basic fomulas of shm, angular frequency W = square root of k / m (both k , m inside the root) = 10.52 rad/s max speed V =omega* A =10.52*0.12=1.2624 m /s mag of max acceleration = omega*omega* A = 10.52*10.52...

    1 Answers · Science & Mathematics · 16/05/2012

  10. ( a ) At the top of the loop, the gravitational force must be equal to the centrifugal force, i.e., mv^2/R = mg v = sqrt(gR) = 3.13 m /s (b) Frictional F = mu N = (0.35)(2 kg)(9.8 m /s^2...

    3 Answers · Science & Mathematics · 20/07/2013

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