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1. ### A spring with spring constant k =100N/m is at its equilibrium length.?

F = - k x for springs a) when spring is at equili length, then extension/compression... for force F =0 so stored elastic energy PE = 0.5 k x^2 =0 b) x= 0.04 meter >> PE = 0.5* 100 * 0.04 = 2 Joule...

1 Answers · Science & Mathematics · 28/07/2007

2. ### How to convert ideal gas constant R, let say 8.31J/mol.deg to J/mol. K ? ?

... means it is 8.31 J/mol. K You may be wondering that K and deg... = RT * ln(20) R = 8.31 J/mol. K , T = 20 deg C = 20 + 273.15 K = 293.15...

2 Answers · Science & Mathematics · 07/11/2008

3. ### what are factors that can affect ' k ' in the inverse square law?

K is everything but distance. It depends on what the quantity on the...side represents. If you're talking about gravitational force, K includes the masses of the objects. If you're...

2 Answers · Science & Mathematics · 15/05/2010

4. ### If x and y are in a constant rate of change relationship, enter the value of k such that Δy= k Δx .?

Δy= k Δx so k = Δy/Δx ____________________________ Look at the...from 9.5 to 5. So Δy = final value - initial value = (5)-(9.5) = -4.5 k = Δy/Δx = -4.5/3 = -1.5 You could have picked...

1 Answers · Science & Mathematics · 02/11/2013

5. ### Determining k of probability density function?

The formula: f(V) = ( k /c)∙(V/c)^( k -1)∙e^(-(V/c)^ k ) represents a Weibull...distribution, which can defined be written as follows: f(V) = k ∙(V/V_max) for 0≤V≤V_max f(V) = 0 x>...

1 Answers · Science & Mathematics · 27/05/2009

6. ### k + 2/5 = 7/9 whats k equal?

(7/9 - 2/5) = k . Find common denominator,= 45. (45/5) = 9. (9 x 2) = 18, so 2/5 = 18/45. (45/9) = 5. ( 7 x 5) = 35), so 7/9 = 35/45. (35 - 18) = 17/45. So k = 17/45.

1 Answers · Science & Mathematics · 19/12/2011

7. ### how to derive hookes law formula to solve for k ?

F = - dE/dx = - kx So, yes k = ( 1/x) dE/dx You could also write the total mechanical energy of a...

4 Answers · Science & Mathematics · 09/05/2011

8. ### A spring has a spring constant, k , of 442 N/m.?

A spring has a spring constant, k , of 442 N/m.? How much must this spring be ...maximum force ÷ 2 The spring equation: Maximum force = k * maximum distance Average force = ( k * maximum distance) ÷ 2...

3 Answers · Science & Mathematics · 12/08/2010

9. ### What are all the terms in this equation?

K is for kinetic energy k isspring costant x is distance from the mean position this is the expression for the maximum kinetic energy of something say a ball attached to a spring when the referred distance is x as per the situation be.

2 Answers · Science & Mathematics · 27/11/2012

10. ### Simple harmonic motion question, A spring of unknown spring constant k ...?

... of the system = 1/2*m*v^2 + 1/2*I*w^2 + 1/2* k *x^2 Now, here's the problem... v is in.../dt = 0 = 1/2*(m*r^2+I) * 2 * w * α + 1/2*( k *r^2) * w * 2 * theta 0 = (mr^2+I) * α + ( k ...

1 Answers · Science & Mathematics · 15/12/2012

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