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1. ### Physics questions 7?

(94.8 g) / (1.5 g/cm^3) / (5.18 cm^2) = 12.2 cm

1 Answers · Science & Mathematics · 07/02/2020

2. ### How much energy is required to evaporate 0.391 L of ammonia?

(0.391 L NH3) x (1000 cm^3/L) x (0.907 g NH3/cm^3) / (17.03056 g NH3/mol) x (23.3 kJ/mol) = 485 kJ

1 Answers · Science & Mathematics · 22/02/2020

3. ### Physics 2 question?

... from Q₁ to point 3 is √(2²+4²) = √20 cm ≈ 4.47 cm, or 0.0447 m, or 4.47 × 10ˉ² m. So the potential at point...

2 Answers · Science & Mathematics · 07/02/2020

4. ### What is the radius of the atoms in pm?

...s the average mass of 1 atom) 1.63733E-22 g divided by 8.40 g/cm^3 = 1.9492E-23 cm^3 (the volume of the unit cell) CUBE ROOT...

2 Answers · Science & Mathematics · 06/02/2020

5. ### Two hypothetical point particles, particle A, comprised of 15 electrons and a proton and the particle B comprised of 15 protons ?

moment = charge * distance moment = 14*1.6e-19C * 16.8e-9m = 3.76e-26 C·m and points from A to B choice D Hope this helps!

1 Answers · Science & Mathematics · 07/02/2020

6. ### Physics help!!?

a) Away from the edges, E = charge density / permittivity E = Q / Aε₀ E = 16e-9C / (0.013m)²*8.85e-12 C²/N·m² E = 1.07e7 N/C b) work done on proton = F*d = q*E*d W = 1.6e...

1 Answers · Science & Mathematics · 08/02/2020

7. ### #8a. The information below and the next 4 problems apply to one complete problem which is broken up into parts as discussed in the class.?

8a. λ = Q/L = -0.328C / 0.550m = -0.596 C/m  so your format is -5.96 x 10^(-1) C/m  8b. dQ = λ*dx = -5.96 x 10^(-1) C  per meter of rod  8c. See citation for an image. The charge is negative, so the field lines point from...

1 Answers · Science & Mathematics · 08/02/2020

8. ### *Physics Can someone help me solve this lenses problem ?

...imaginary 1/f = 1/do + 1/di = 1/16.0 + 1/(-22.0) = 3/176 f = 176/3 = 58.7 mm or 5.87 cm the focal length is positive so the lens is convex When you get...

2 Answers · Science & Mathematics · 06/02/2020

9. ### Physics help, thanks:)?

...1.3e-6C)² / d² means that d = 0.0245 m = 2.45 cm If you find this helpful, please select Favorite Answer!

1 Answers · Science & Mathematics · 08/02/2020

10. ### Find the coefficient of kinetic friction between a 4.8 kg block and the horizontal surface on which it rests if an 88 N/m spring must be...?

spring force = friction force kx = µmg 88N/m * 0.022m = µ * 4.8kg * 9.8m/s² µ = 0.041 Hope this helps!

1 Answers · Science & Mathematics · 03/02/2020