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I have not seen one of these before, here is a try -- For a polytropic process, p₁*V₁ᵐ = p₂*V₂ᵐ and assuming the mass flow rate is constant, we can use 1/density as a proxy for the volume 7bar * (1/2)^1.29 = 1bar * (1/x)^1.29 x = 0.44

**k**g/m³1 Answers · Science & Mathematics · 01/04/2021

**k**(net) = 450 + 650 = 1100 N/m system energy is E = ... v = √(2E/m) = √(2(2.695)/2.2) = 1.5652... ≈ 1.57 m/s◄ (a) ω = √(**k**/m) = √(1100/2.2) = √500 = 22.36067... ≈ 22.4 rad/s ◄ (b) Please remember...1 Answers · Science & Mathematics · 15/03/2021

**k**= mg/x = 2.73(9.81)/0.0159 = 1684 N/m f = ω/2π = (√(**k**/m)) / 2π m =**k**/ 4π²f² = 1864 / (4π²(5.31²)) = 1.5131...1 Answers · Science & Mathematics · 15/03/2021

F =

**k**q1 * q2 / r^2; (Coulomb's force. Centripetal force). F...2 Answers · Science & Mathematics · 01/04/2021

m*V^2 =

**k***x^2**k**= m*V^2/x^2 = 5.8*10^5*0.55^2/0.45^2 = 8.7*10^5 N/m2 Answers · Science & Mathematics · 05/04/2021

F =

**k***Q^2/d^2 Q = d√F/**k**= 2.5*√2*10^-9/9 = 3.7*10^-5 Coulomb2 Answers · Science & Mathematics · 24/03/2021

The answer is D

**K**= 40 N/m change cm to meters .4 N to .01 m divide N by m .4/.01=40 N/m1 Answers · Science & Mathematics · 07/04/2021

spring constant

**k**= mg/x = 0.350(9.81)/0.25 = 13.734 N/m Stretch if additional weight is lowered slowly x = mg/**k**= (0.350 + 0.125)(9.81)/13.734 = 0.33928... m Which means the amplitude...2 Answers · Science & Mathematics · 15/03/2021

Coulomb: Fe =

**k**Qq / d² where**k**= 1/4πε₀ = 8.99e9 N·m²/C² Newton: Fg...1 Answers · Science & Mathematics · 23/03/2021

ω = √(

**k**/m)**k**= ω²m**k**= mg/x mg/x = ω²m x = g/ω² = 9.81/20.0² = 0.024525 m ≈ 2.45 cm◄ Please remember to select a Favorite Answer from among your results.1 Answers · Science & Mathematics · 15/03/2021