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frequency f = 42.0 / 18.9s = 2.22 Hz and ω = 2πf = 14.0 rad/s ω² =

**k**/ m, so m =**k**/ ω² = 21.5N/m / (14.0rad/s²) = 0.110 kg ◄ C If you find this helpful, please award Best Answer!1 Answers · Science & Mathematics · 30/11/2017

ω = 2π / T √(

**k**/m) = 2π / T**k**/m = 4π² / T² T² = 4π²m/**k**...1 Answers · Science & Mathematics · 28/11/2017

Actually, this needs to be wor

**k**ed bac**k**wards, and you need to FINISH with conservation of momentum. friction wor**k**Wf = µmgd = 0.650 * (2600+1500)**k**g * 9.8m/s² * 6.00m = 156 702 J so this must have been the post-collision KE: 156 702...2 Answers · Science & Mathematics · 30/11/2017

...center to any corner is D = 2d = L*√3/3 Σ V =

**k***(qA+qB+qC) / (L√3/3) = 3k*(qA+qB+...1 Answers · Science & Mathematics · 28/11/2017

...find the spring compression Kinetic energy = spring energy 1/2*(m1+m2)*v^2 = 1/2*

**k***x^2 X = v*sprt((m1+m2)/**k**) = 0.28 m B) initial energy = 1/2*m1*v1i^2...2 Answers · Science & Mathematics · 27/11/2017

wavenumber

**k**= 2π / λ, so λ = 2π /**k**= 2π / 4000/cm = 1.57e-3 cm = 1.57e-5 m = 15.7 ...3 Answers · Science & Mathematics · 03/04/2018

...the work that is done by the spring. Work = ½ *

**k*** 5.20^2 =**k*** 13.52**k*** 13.52 = 4,056.855 + 30,942.912 * sin 26.4**k**= (4,056.855...1 Answers · Science & Mathematics · 27/11/2017

.../r² in Newtons/coulomb OR volts/meter

**k**= 1/4πε₀ = 8.99e9 Nm²/C²1 Answers · Science & Mathematics · 26/11/2017

F1 =

**k**q / (d^2 + r^2) F2 =**k**q / r^2 F3 .=**k**q / (d^2 + r^2) The... magnitude F = F2 + (F1+F3) r/(d^2+r^2)^(1/2) =**k**q (1/r^2 + 2 r/(d^2+r^2)^(3/2) )1 Answers · Science & Mathematics · 30/11/2017

spring stiffness

**k**= mg / x = 0.437kg * 9.8m/s² / 0.0100m = 428 N/m GPE ...1 Answers · Science & Mathematics · 25/11/2017

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