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1. ### Physics Coulombs Law?

F=k ((q1*q2)/r^2) 9.0N=(9*10^9 N m^2 C^-2)*((-0.0005 C...

2 Answers · Science & Mathematics · 15/01/2018

2. ### What is the magnitude of the net electric force on charge A in the figure (Figure 1)? Assume that q1 = 1.5 nC and q2 = 5.2 nC.?

...diagram: Fc←●→Fb Fnet = Fb − Fc Fnet = k q₁ q₁ / r² − k q₁ q₂ / (2r)²...

2 Answers · Science & Mathematics · 14/01/2018

3. ### A car with a mass of 1800kg is traveling at a speed of 16m/s. The kinetic energy of the car is a.bc X 10d J. The values of a, b, c and d are?

... da (deca) = x10 (rarely used) h (hecto) = x100 (rarely used) k (kilo) = x1000 = e3 M (Mega) = x1000000 = e6 G (Giga) = x1000000000...

2 Answers · Science & Mathematics · 26/12/2017

4. ### An object of mass m = 0.5 kg starts from rest and slides a distance "d" down a frictionless incline of angle =30.?

... GPE at top = PE of spring at bottom m g h = 1/2 k x^2 h = (d + 0.25) sin30 = 0.5 d + 0.125 so 0.5 (9.8) (0.5 d + 0.125) = 1/2...

1 Answers · Science & Mathematics · 17/12/2017

5. ### Skier Down a Hill?

While she is sliding down the slope, the net force is the component of her weight that is parallel to the slope minus the kinetic friction force. Force parallel = m * 9.8 * sin 31 Ff = 0.13 * m * 9.8 * cos 31 a = 9.8 * sin 31 – 1.274 * cos 31 This is...

2 Answers · Science & Mathematics · 06/12/2017

6. ### oscillation question help?

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

7. ### physics oscillation question help?

ω = 2π / T √(k/m) = 2π / T k/m = 4π² / T² T² = 4π²m/k...

1 Answers · Science & Mathematics · 28/11/2017

8. ### Difficult Physics Problem?

Actually, this needs to be worked backwards, and you need to FINISH with conservation of momentum. friction work Wf = µmgd = 0.650 * (2600+1500)kg * 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

9. ### Physics Electric Field question? 10 points!!?

...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

10. ### What will be maximum compression of the spring?

...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