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  1. ...v 1 / v = 1 / f - 1 / u 1 / v = 1 / 38 - 1 / 19 = (1 - 2) / 38 = - 1 / 38 v = - 38 cm The image distance is negative —> the image is virtual, ...

    1 Answers · Science & Mathematics · 19/11/2020

  2. "compact" implies "point-like"; use similar triangles 3.2cm / 8.2cm = d / 16cm d = 6.2 cm

    2 Answers · Science & Mathematics · 23/11/2020

  3. 1) By C = ɛA/d =>C = [8.85 × 10^−12 x 2291 x 10^-4]/[0.46 x 10^-2] =>C = 440.77 x 10^-12 F Now by Q = CV =>Q = 440.77 x 10^-12 x 6  =>Q = 2.64 x 10^-9 C 2) By U = 1/2CV^2 =>U = 1/2 x 440.77 x 10...

    2 Answers · Science & Mathematics · 12/11/2020

  4. Ptot = Patm + ρgh and A = πr² so max. force is F = PA = (Patm + ρgh)πr² Just stick values in. (If you weren't Anonymous I'd have done the whole thing, but you could be a tme-waster.)

    1 Answers · Science & Mathematics · 31/10/2020

  5. 1.01 10^-8 N ?? is that 1.01x10^-8 N F = G m₁m₂/r² = 1.01e-8 (6.674e-11) m₁m₂/(0.199)² = 1.01e-8 m₁ + m₂ = 5.02 two eq is two unknowns m₁ = 5.02 –  m₂ (6.674e-11) m₂(5.02...

    2 Answers · Science & Mathematics · 31/10/2020

  6. ½kA² = ½*6*0.125² = 3/64 3/64 = ½kx² + ½mV² =  ½*6*(0.0625)² + ½*m*0.296² = 3/64 3/64 - ½*6*(0.0625)² = ½*m*0.296² 2*[3/64 - ...

    1 Answers · Science & Mathematics · 05/11/2020

  7. ...value for "v" to get 1/f = 1/9 - 1/13.5 1/f = 3/27 - 2/27 = 1/27 f = 27 cm B) height of the image hi/ho = - v/u hi = 2.90 * 13.5/ 9 = 4.35 cm C...

    1 Answers · Science & Mathematics · 17/11/2020

  8. ... was, he doesn't have half the in-ring resume of Benoit. CM Punk or Austin Aries: I'd argue Aries...

    1 Answers · Sports · 04/11/2020

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