# Yahoo Web Search

1. Sort by

1. ### Ordinary differential equation..?

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

2. ### A spring whose constant is 26 N/m is compressed 6.3 cm and a 40 g ball is placed on it.?

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 cm

1 Answers · Science & Mathematics · 17/01/2020

3. ### Two charges separated by 1 m exert a 1.0-N force on each other. If the charges are pushed to 0.25-m separation?

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

4. ### Find the kinetic energy of a xenon atom if it is traveling 22.4 m/s.?

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

5. ### Two questions regarding electric field?

...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

6. ### Calculate the Magnitude and Direction of the NET Electric Field?

...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

7. ### Physics help?

½kx² = ½mv² x = √(mv²/k) = √(1360(12.4²)/1.14 × 10^7) = 0.1354...m or about 13.5 cm

2 Answers · Science & Mathematics · 24/01/2020

8. ### Physics spring connected with two blocks problem?

...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

9. ### A point charge q= -0.45 nC is fixed at the origin.?

...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

10. ### Physics Ideal gas Question?

.../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