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

... 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

**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

### 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 ____________________________ Loo**k**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 pic**k**ed...1 Answers · Science & Mathematics · 02/11/2013

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

(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

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

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

**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

... 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