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... from ma = 7*3 = 21N But the net force = F - mg*μ

**k**-> F = 21 + 7*9.8 * 0.2 ~= 34.7N To accelerate the small bloc**k**...1 Answers · Science & Mathematics · 14/10/2020

... / RT = (1.01 bar) x (6.88 L) / ((0.083144598 L bar/

**K**mol) x (296**K**)) = 0.282348 mol NH3 (0.282348 mol NH3) x (17...1 Answers · Science & Mathematics · 29/09/2020

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**k**inematics: acceleration = net force / mass = -µ**k***m*g / m = -µ**k***g a = -0.15 * 9.8m/s² = -1.47 m/s² ...1 Answers · Science & Mathematics · 01/10/2020

use the energy to get spring constant PE = ½

**k**d² = 18**k**= 2•18/0.02² = 90000 N/m f = (1/2π)√(**k**/M) = 4 √(**k**/...1 Answers · Science & Mathematics · 16/10/2020

frequency f = (1/2π)*√(

**k**/m) + (1/2π)*√(7600**k**g/s² / 105**k**g) f = 1.35 Hz ◄ period T = 1/f = 0.739 s ◄ Hope this helps!1 Answers · Science & Mathematics · 12/10/2020

...calculate the Henry's Law constant for N2: Solubility =

**K**P 5.6X10^-4 mol/L =**K**(0.80 atm)**K**= 7....2 Answers · Science & Mathematics · 12/10/2020

... by y(x,t) = A sin(

**k**x - ωt + ∅ ) where A = amplitude of wave = 5m**k**= wave vector ω = angular frecuencia of wave ⇔ ω ⇒ 20 rad/sec ∅ = phase constant ...1 Answers · Education & Reference · 09/10/2020

**K**E becomes friction work -- ½mv² = µ k *m*g*d mass m cancels, the rest rearranges to v = √(2*µ k *g*d) = √(2 * 0.62 + 9.8 * 12) m/s = 12 m/s3 Answers · Science & Mathematics · 07/10/2020

...a(t) is the population at time "t" a is the initial population

**k**is the growth (or decay) rate t is the time. We are ...1 Answers · Science & Mathematics · 25/09/2020

frequency f = ω / 2π and ω = √(

**k**/m) so if you increase the mass m (by adding passengers), the frequency DECREASES. Hope this helps!1 Answers · Science & Mathematics · 12/10/2020

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