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  1. @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

  2. Answer: a = 5.07 m/s² What accelerates the block is its weight, more precisely the component of weight in direction of slope F = mg sin θ What opposes this force is the inertia of the block plus inertia of the pulley. Problem...

    2 Answers · Science & Mathematics · 27/11/2020

  3. 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

  4. Treating 90 cm as "distant" y ≈ (n+½)λD / d 0.21 m ≈ (2+½)*λ*0.90m / 6e-6m λ ≈ 5.6e-7 m = 560 nm

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

  5. ...block is v m/s when the spring expands to a compression of only 2.20 cm , by the law of energy conservation: =>PE(i) of the spring = PE(of spring...

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

  6. Let height of the cylinder =  h cm   and  R = Radius of the Cylinder Capacity of the...h  =  4250 => h  =  4250 divided by π (6.5)²   =   32.02 cm i.e.  =  32 cm .............. Answer

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

  7. .../AB² = 2/3 RS = AB√(2/3) = 18√(2/3) = 6√6 cm = 14.7cm approx.

    3 Answers · Science & Mathematics · 16/11/2020

  8. ...just indicating the image is real} =>di = [8 x 4.5]/6 =>di = 6 cm b)  By m = hi/ho = 4.5/6 = 0.75 c) For concave mirror, this condition...

    1 Answers · Science & Mathematics · 06/11/2020

  9. ...and w = 8 and l = 9 The original box had dimensions of 7 cm by 8 cm by 9 cm .

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

  10. ...order for the missing ¼ of the pizza to "pull" the CM of the uneaten part to (0, 0), that missing part must have a CM at 3...

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

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