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Once again, pressure = force / area p = 3.0 N / (1

**cm**^2) P = 3 N/**cm**^2 P = 3 N/((1/100)^2 m^2) P = 30000...gt; 3/9.8 kg => 15/49 kg Fresh water has a density of 1 gm/**cm**^3, so our column needs to be 15000/49**cm**tall 15000/49 => 306**cm**...1 Answers · Science & Mathematics · 23/12/2019

a) find the final speed If the weight falls 85

**cm**= 0.85 m, then the cart rises h = 0.85m*sin6º = 0.089 m and the change...3 Answers · Science & Mathematics · 02/07/2019

s = ½at² so a = 2s / t² at t = 1/94 s, s = 1.2

**cm**, so a = 2*1.2cm / (1/94 s)² = 21 206**cm**/s² = 212 m/s² at...1 Answers · Science & Mathematics · 15/09/2019

... + 1/di = 1/f 1/20 + 1/di = 1/12 1/di = 1/12 - 1/20 1/di = 1/30 di = 30

**cm**....positive sign indicates real image hi/h₀ = -di/d₀ hi...1 Answers · Science & Mathematics · 26/04/2020

.../v₂ = -10/9 ...(1) Lets consider the 450g cart travels x

**cm**distance then the 500g cart will travel (120-x)**cm**As their reach the same...3 Answers · Science & Mathematics · 08/12/2019

A. Given object distance, d₀ = x

**cm**and image distance, di = 2x**cm**( positive sign for real image)1/d₀ + 1/di = 1/f1...1/di = 1/f 1/x + 1/(-2x) = 1/10 2/2x - 1/2x = 1/10 1/2x = 1/10 2x = 10 x = 5**cm**1 Answers · Science & Mathematics · 01/04/2020

...those you get. C = 2 pi r Path length = pi×r/2 = pi×7.7cm = 24.19

**cm**displacement 90° chord or side of inscribed square. The circle's area...2 Answers · Science & Mathematics · 05/10/2019

...course, you know that the gradient is not 10.6 but 10.6

**cm**/s^2. Assuming: t is the elapsed time...see the gradient is 0.5a Hence, if 0.5a = 10.6**cm**/s^2 a = 21.2**cm**/s^2 If we extrapolate the graph to t...1 Answers · Science & Mathematics · 08/02/2020

...^(-t) + c₂e^(-9t) We're told that at t = 0, x = -16

**cm**(taking "down" as negative), and so c₁ + c₂ = -16**cm**...2 Answers · Science & Mathematics · 22/03/2020

...2.00*d² This quadratic has a root at d = 0.245 m = 24.5

**cm**◄ our solution and d = 1.09 m ← outside the permitted range ...1 Answers · Science & Mathematics · 13/05/2020

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