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  1. ..., R is gas constant (use correct one!), T is temp in K ( C +273.15) You don't know temp or volume, so it cannot be ...

    2 Answers · Science & Mathematics · 23/08/2020

  2. F = k *Q1*Q2/d^2 = 9*10^9*3*7*10^-12*10^4/21^2 = 4.29 N 

    1 Answers · Science & Mathematics · 16/09/2020

  3. F = k e^2 / r^2 F = 9x10^9 * (1.602×10^−19)^2 / (1x10^−11)^2 F = 2.31 × 10^-6 N where e =  1.602×10^−19 C is charge od proton k = 9x10^9 N m^2/ C ^2 is Coulomb's constant

    1 Answers · Science & Mathematics · 17/09/2020

  4. ... - µ k *m₁*g m₂: m₂*a₂ = µ k *m₁*g ( c ) Zero for both, since there are no unbalanced forces. (d) for...

    2 Answers · Science & Mathematics · 17/09/2020

  5. ...*ω*sin(kx - ωt) b. I = (p_max)² / 2ρv where p_max = B* k *A and ρ is the density of the liquid (see citation) c . Increase (obviously, and you'd hardly have to do the first two to...

    1 Answers · Science & Mathematics · 20/09/2020

  6. ...or N/m, if you prefer; 19.74 before rounding) c . max U = ½kx² = ½*...2m)² = 39 J (using pre-rounded k value) d. max KE = 39 J = ½ * 2...

    1 Answers · Science & Mathematics · 12/09/2020

  7. ... * 6.44e-7C * (4.75/11.0) / 120m² Eqy = 20.8 N/ C (up) For the finite line charge, consider that dE = k *dq / d² acts in the +x direction on P, and dq = λ*dx and d...

    1 Answers · Science & Mathematics · 09/09/2020

  8. the 3rd charge must be placed between the other two then must be: k q1 q3 / x13^2 = k q2 q3 / x23^2 or q1 / x13^2 = q2 / x23^2 then setting k ...

    1 Answers · Science & Mathematics · 17/09/2020

  9. ... / GmM where G = 6.674e−11 N·m²/kg² and k = 1/4πε₀ = 8.99e9 N·m²/C² and here q = -Q = 1.6e-19 C and m = 9.11e-31 kg and M = 1.67e-27kg Plugging in these values...

    2 Answers · Science & Mathematics · 17/09/2020

  10. ...theme: heat = mass * spec heat * temp change ΔQ = m* c *ΔT 7) ΔQ = 0.350kg * 128J... = 896 J since for CHANGES in temperature, 1 K = 1 ºC 8) ΔQ = 3kg * 4186J...

    1 Answers · Science & Mathematics · 20/09/2020

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