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... where k = 1/4πε₀ = 8.99e9 N·m²/C² For

**r**< 10 cm, the outer shell of charge has no effect on the field...1 Answers · Science & Mathematics · 12/09/2019

... 88.2 - 11.48 = 76.72 N Centripetal force is mv^2/

**r**(76.72×1.6/1.17)^.5 = velocity = 10.24 m/s Update if you need more, and...1 Answers · Science & Mathematics · 07/12/2019

**r**= 7.31 *10^-11 m That's what it says. It is not**r**^2 = 7.31 *10^-11 m.**r**^2 = 5.34×10^-21 m --------------------- Did it not just...3 Answers · Science & Mathematics · 05/02/2019

Air is pretty close to an ideal gas but you are getting up there in pressure. calculate the density using the ideal gas equation and then check it other published data. https://www.engineeringtoolbox.com/air-temperature-pressure-density-d_771.html this looks like about 240 kg/m^3...

2 Answers · Science & Mathematics · 09/12/2019

cosΘ = adj / hyp = z / √(z²+

**R**²)1 Answers · Science & Mathematics · 05/09/2019

When you connect 7 equal

**r**esisto**r**s in pa**r**allel, the equivalent**r**esistance is 1/7 of the**r**esistance of the individual**r**esisto**r**s. So each piece has**r**esistance 35 Ω. The enti**r**e wi**r**e is 7*35 Ω1 Answers · Science & Mathematics · 01/05/2019

Just p

**r**io**r**to collision, v = √(2gh) = √(2 * 9.8m/s² * 4.35m) = 9.23 m/s conse**r**ve momentum du**r**ing the collision: 84.5kg * 9.23m/s + 55.0kg * 0m/s = (84.5 + 55.0)kg * V and so the post-collision momentum is V = 5.59 m/s H = V² / 2g = (5.59m/s)² / 19.6m/s² = 1.60 m If...1 Answers · Science & Mathematics · 15/05/2019

F = mv²/

**r**Multiply both sides by**r**: Fr = mv² (equation 1...2 Answers · Science & Mathematics · 10/01/2019

a) (mVmax^2) /

**r**= m g Vmax = sqrt(g /**r**) b) L =**r**m sqrt(2/3)Vmax L... = 1/2 m V^2 - m g**r**(1 - cosα) V^2 = [Vmax^2 + 2 g**r**(1 - cosα)] then Em = 1/2 m [Vmax^2 + 2 g**r**(1 - cosα)] - m g**r**...2 Answers · Science & Mathematics · 06/08/2019

QUESTION1: How much charge is enclosed by Gaussian sphere S2? No, you don't need a formula. You're told that the "total charge [is] q", so I'd say qenc = q QUESTION 2: so how much charge is...

1 Answers · Science & Mathematics · 11/09/2019