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mass of ball m = 98N / 9.8m/s² = 10 kg spring constant

**k**= F/x = 98N / 1.09m = 89.9 kg/s² First you must find...2 Answers · Science & Mathematics · 22/03/2020

Conservation of energy shall apply :

**k**/2*x^2 = m*g*h h =**k***x^2/(2*m*g) = 6.3^2*10^-4*26/(2*40*9.806*10^-3 = 0.132 m = 13.2 cm1 Answers · Science & Mathematics · 17/01/2020

Yes, use the equation for the Coulomb force: F =

**k***Q*q / d² so**k***Q*q = F*d² and this is...2 Answers · Science & Mathematics · 05/03/2020

So if this is the formula for kinetic energy (

**K**_E)**K**_E = (1 / 2) * mass * (velocity)^2. Now all we ...3 Answers · Science & Mathematics · 08/04/2019

...for both charges. Sum the horizontal components: Ex = (

**k***4e-6/18) * cos45 +**k***4e-6/18 *cos135 =**k***4e-6/18 *[0.7071-0.7071] = 0 Sum...1 Answers · Science & Mathematics · 01/09/2019

...point at a distance (r) is given by: E = kQ / r²

**k**is the coulomb constant = 8.99×10⁹ N·m²·C⁻²...1 Answers · Science & Mathematics · 05/09/2019

½kx² = ½mv² x = √(mv²/

**k**) = √(1360(12.4²)/1.14 × 10^7) = 0.1354...m or about 13.5 cm2 Answers · Science & Mathematics · 24/01/2020

...those into either of the formulae for F/x kx = m1 w^2 *m2/(m1+m2) x

**k**= m1 m2/(m1+m2) * w^2 w = sqrt(**k***(m1+m2) / ( m1 m2) ) Which you can use to...2 Answers · Science & Mathematics · 12/05/2019

...the proton must be placed below the q. Right! • F=m*g • [

**K**|q1||q2|]/r^2=m*g Yep. I'd write it as weight = electrostatic force...1 Answers · Science & Mathematics · 03/09/2019

.../RT = 9.87 * 10^-15 atm * 0.001 L / (0.08205 L atm /mole

**K*** 292.6**K**) = 4.11 * 10^-19 moles 248,000 atoms, assuming...1 Answers · Science & Mathematics · 10/06/2019