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  1. ...fuel mass flow rate in kg/s which we assume to be constant. Let's call it k If m = initial mass of fuel  M = dry mass of rocket t = time where 0...

    2 Answers · Science & Mathematics · 17/10/2020

  2. 1) Δx = mg / k = 2.7kg * 9.8m/s² / 306N/m = 0.086 m or 8.6 cm 2) F = mg...

    3 Answers · Science & Mathematics · 29/07/2020

  3. Exponents have no units so (2/ k ) has units of 1/kg Newtons = mass*meters/...

    2 Answers · Science & Mathematics · 14/07/2020

  4. wavelength λ = 2π/ k = 2π / 2.00rad/m = 3.14 m frequency f = ω/2π = 3.52rad/s / 2π = 0.560 Hz speed v = fλ = 0.560Hz * 3.14m = 1.76 m/s If you find this helpful, please select Favorite Answer!

    1 Answers · Science & Mathematics · 09/11/2020

  5. ...86 N f = μN = μmg = (0.4)(5)(9.81) = 19.62 N Fs = k Δx = (130)(0.8) = 24 N 86 - 19.62 - 24 = (5)a a = 8.5 m/s²

    1 Answers · Science & Mathematics · 31/05/2020

  6. spring energy = work done + final KE ½kd² = µ k *m*g*0.050m + ½mv² When I plug in your values I get d = 0.107 m which should be rounded to 0.11 m = 11 cm

    1 Answers · Science & Mathematics · 07/02/2020

  7. ... and z-components like this: a - b = (3 - (-1))i + (1 -2)j + (-1 - 5)) k = 4i - 1j – 6k Then c•(a - b)  = (0i + 2j- 3k)•(4i - 1j – 6k) = 0*4...

    2 Answers · Science & Mathematics · 15/11/2020

  8. M X N = i*(5*(-4) - (-6)*(-3)) + j*((-6)*(3) - (4)*(-4)) + k *((3*(-3) - 5*3) You can do the arithmetic

    1 Answers · Science & Mathematics · 21/10/2020

  9. If you don't bother awarding Best Answers, the regulars here won't bother to reply.

    1 Answers · Science & Mathematics · 20/09/2020

  10. a = - k √(16 - t) => - k (16 - t)^(1/2)  so, dv/dt = - k (16 - t)^(1/2) Then, v(t) = (2/3) k (16 - t)^(3/2) When t = 0 we...

    1 Answers · Science & Mathematics · 28/05/2020

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