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  1. ... s = Θ*r = Θ*D/2 = 44.5rads * 3.30cm/2 = 73.5 cm If you find this helpful, please select Favorite Answer!

    1 Answers · Science & Mathematics · 25/02/2021

  2. Emf induced=change in flux/time emf indued=[100*0.15*pi.*0.13*0.13-100*0.15*0.13*0.13*pi*cos90]/0.3 emf induced=2.6533

    2 Answers · Science & Mathematics · 25/02/2021

  3. Faraday's law of induction: emf = -N delta(phi)/delta(t) = -N A delta(B)/delta(t) = 1000(pi)(0.0105 m)^2 (0.12 T)/(0.0012 s) = 34.6 Tm^2/s = 34.6 volts.

    1 Answers · Science & Mathematics · 25/02/2021

  4. I assume that this girder has been installed vertically and therefore should have been called a column. area A = 6.0in² * (0.0254m/in)² = 3.87e-3 m² I'll use Young's E = 200e9 Pa (If you have a...

    2 Answers · Science & Mathematics · 25/02/2021

  5. 28 Hz and 4200 Hz -- find wavelengths in air, if speed is 340 m/s. (340 m/s)/(28 /s) = about 12 meters. (340 m/s)/(4200 /s) = about 0.081 m (or 8.1 cm )

    1 Answers · Science & Mathematics · 25/02/2021

  6. Your first error is in writing the radius as 0.0005 cm , when it is 0.05 mm = 0.005 cm . Maybe that was your only error!  Try again...

    2 Answers · Science & Mathematics · 25/02/2021

  7. You are given the following: r = 3x⁷y³ cm And: A = πr² To find the area in terms of...

    2 Answers · Science & Mathematics · 24/02/2021

  8. As I understood the question, yes, The diameter would be as you found.

    1 Answers · Science & Mathematics · 26/02/2021

  9. The room size is big enough to be irrelevant. A room that size can easily take the largest mainstream consumer TV sizes. The only facts which matter are the expected viewing distance and whether the buyer prefers large, “normal...

    1 Answers · Consumer Electronics · 27/02/2021

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