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  1. I assume you meant 24 cm ^3 of clay -->  call that V.  THe volume fo the cylinder must be constant as long.../(pi*l)) so dr/dt = - sqrt(V/(pi*l))/(2*l) dl/dt = -sqrt(24/(pi*9))/(2*9) *0.3 cm /s = -0.05 cm /s

    1 Answers · Science & Mathematics · 09/04/2020

  2. ...5.03m! Distance between slits (lines) is d = 1/2700 cm = 3.7037*10^-4cm =  3.7037*10^-6m. For the final answer this should be ...

    1 Answers · Science & Mathematics · 12/06/2020

  3. ...opposite C=60°, B = 90; Find a to nearest integer value of cms ;Clearly, A = 30°;BC = a;a/sinA = b/sinB = c...

    2 Answers · Science & Mathematics · 08/10/2020

  4. V= π*r^2*h, h= 45 cm dV/dt= 90πr*dr/dt 2500= 90π*12.5*dr/dt dr/dt= 250/(112.5π)≈ 0.7074 cm /s

    1 Answers · Science & Mathematics · 31/03/2020

  5. @amy's hints are sound. vertically, T*sinΘ = m*g T = 0.185kg * 9.81m/s² / sin13.0º = 8.07 N horizontally, T*cosΘ = mω²r = mω²LcosΘ ω² = T / mL = 8.07N / (0.185kg * 0.680m) = 64.1...

    2 Answers · Science & Mathematics · 30/10/2020

  6. minimum speed such that g = v²/r v = √(gr) = √(9.81m/s² * 0.580m) = 2.39 m/s time to fall from h = (2.45 + 0.58)m = 3.03 m t = √(2h / g) = √(2 * 3.03m / 9.81m/s²) = 0.786 s distance to right x = v*t = 1.87 m If you find this helpful, please select Favorite Answer!

    1 Answers · Science & Mathematics · 30/10/2020

  7. Circle => x cm Square => 700 - x cm Hence, 2πr = x so, r = x/2π =>...x/2π - 87.5 + x/8 = 0....at stationary value => x = 700π/(π + 4) i.e. x = 308 cm ....for the circle and 392 cm for the square :)>

    2 Answers · Science & Mathematics · 17/04/2020

  8. area of portrait = 20 * 12 = 240 cm ^2 area of border = 1/3 * area of portrait = 1/3 * 240 = 80 cm ^2 Now we have...

    3 Answers · Science & Mathematics · 06/04/2020

  9. 15 cm rise means that's a HUGE clock. Assume the mass of the...

    1 Answers · Science & Mathematics · 20/08/2020

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