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related to: K

1. ### An object with mass 3.0 kg is attached to to a spring with spring stiffness constant k = 280 N/m and is?

for spring restorative force F = - k x m dv / dt = - k x dv = - k /m x dt dv = - k /m x {dx/v} v dv = - k /m dx...0 (spring retreats after reaching amplitude ------------------------- 0 = - k /m (a^2) + c1 >>> c1 put back (v^2) = - k /m (x^2) + k /m (a^2) v^2 = k ...

2 Answers · Science & Mathematics · 27/04/2007

2. ### What is wrong with this k constant?

...spring constant you get from the first method. I get: k = F/elongation = (0.05)(9.8)/0.660 = 0.74 N/m now...^2 vs m you would get line with slope 4*Pi^2*/ k which means you can get k from there. Now the...

1 Answers · Science & Mathematics · 19/10/2011

3. ### in the equation PV=NkT, what does k represent?????

k is a proportionality constant that relates pressure volume and temperature... counting number ("atoms") this means k has dimensions of Temperature/(Pressure*...

4 Answers · Science & Mathematics · 03/03/2009

4. ### How do you calculate a planet's period based on K and radius?

...presumably introduced to the "Kepler constant, K " by the VERY equation in which it is... course, once one HAS the relationship P^2 = K a^3, the values of P or a can be ...

2 Answers · Science & Mathematics · 12/01/2008

5. ### E vs. k diagram in semiconductor physics?

...h/p where p = momentum (=mv) The wave number, k =2π/λ. Since p = h/λ, p = hk/(2π). This...orientation through the lattice; this gives different E- k graphs for different directions relative to the...

2 Answers · Science & Mathematics · 16/08/2011

6. ### A 6.0 kg block is attached to a spring with k = 120kg/s?

Assuming that k = 120 kg/s² = 120 N/m Finding initial vel.(V) of block...

1 Answers · Science & Mathematics · 04/07/2011

7. ### Physics problem about μ k and friction?

...2940 grams M = mass of hanging mass = 784 grams μ k = coefficient of friction = ?? T = tension in the rope = ?? a = acceleration = 0.43 ...

2 Answers · Science & Mathematics · 07/10/2011

8. ### How many valence electrons does K have?

K has 1 valence electron. You can see that from looking at the periotic table, noticing K is in group 1.

1 Answers · Science & Mathematics · 18/01/2009

9. ### What does the k and the x stand for in the physics elastic potential energy formula EPE= 1/2kx(squared)?

k is the Coefficient of Elasticity ===> Units...0.75 m. How much energy was required? EPE = 0.5* k * X^2 EPE = 0.5 * 100 N/m * (0.75 m)^2 = 50 N/m * 0...

1 Answers · Science & Mathematics · 12/02/2015

10. ### Calculate the wavelengths of the K α and K β x rays of tungsten? Please help!!!?

The K α photons are produced by the transition from the L shell...2.16x10⁻¹¹ x 10⁹ nm . .= 0.0216nm (check arithmetic) The K β photons are produced by the transition from the M shell...

1 Answers · Science & Mathematics · 04/05/2015