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  1. first get the total R using series parallel rules 2+6 = 8 Ω 8 || 5 = 5•8/13 = 3...

    2 Answers · Science & Mathematics · 20/01/2021

  2. ...set the centripetal acceleration equal to 1 "g": ω²r = g → → ω = √(g/ r ) = √(9.81m/s² / 30.0m) = 0.572 rad/s ◄ (b) tangential speed v = ω r = 0.572rad...

    1 Answers · Science & Mathematics · 20/01/2021

  3. (A) R = V²/P = (120V)² / 350W = 41 Ω (B) t = Q / P = 0.400kg * 4186J/kg·ºC * (100-23)ºC / 350W t = 368 seconds (just over 6 minutes)

    1 Answers · Science & Mathematics · 18/01/2021

  4. a*sinΘ = 1.22λ → → a the aperture diameter 0.50e-2m * sinΘ = 1.22*5.0e-7m → → sinΘ = 1.22e-4 φ = arcsin[sinΘ / n] = arcsin[1.22e-4 / 1.33] = 9.17e-5 rads r = d / φ = 1.5m / 9.17e-5rads = 16352 m ≈ 16 km ◄

    3 Answers · Science & Mathematics · 18/01/2021

  5. ...of rotation and the acceleration given is centripetal only. ac = v² / R v = √(acR) = √(29(0.38)) = 3.31963... ≈ 3.3 m/s ◄ Please remember...

    2 Answers · Science & Mathematics · 18/01/2021

  6. T = m(g + v²/ r ) T = 55kg * (9.8m/s² + (3.0m/s)²/6.2m) = 619 N ≈ 620 N If you find this helpful, please select Favorite Answer. You get points too!

    1 Answers · Science & Mathematics · 18/01/2021

  7. c = 2π r 3.0 rev/sec (2π r /1rev) = 3(2pi*3.5cm)/1s = 65.9734 cm/s, rounds to 66. cm/s If radius doubled, linear speed is proportional and doubled.

    1 Answers · Science & Mathematics · 18/01/2021

  8. ..., I = ½Mr² and because the rope doesn't slip, ω = v/ r . That makes ½Iω² = ½*...

    2 Answers · Science & Mathematics · 18/01/2021

  9. 2m/8.2s = V = 0.2439m/s = ω r so ω = 0.2439/0.045 = 5.42 rad/s = ω

    1 Answers · Science & Mathematics · 18/01/2021

  10. α = a / r = 14.3m/s² / 0.0600m = 238 rad/s²

    1 Answers · Science & Mathematics · 18/01/2021

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