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For a particle, angular momentum = m*v*

**r**which is conserved since no external torques are ...1 Answers · Science & Mathematics · 29/02/2020

Ipeak = Vr/

**R**= 60/300 = 0,20 A Vℓ = X*I = ω*L*I = 200...2 Answers · Science & Mathematics · 06/08/2019

E =

**R*** (1/n² - 1/7²) where**R**is the Rydberg constant...1 Answers · Science & Mathematics · 27/04/2020

The required centripetal force is F = mv^2 /

**r**And it acts towards the centre of the circle NOT along...2 Answers · Science & Mathematics · 01/07/2019

we must use

**r**^2 v= constant.**r**is the radius and v is the velocity. first condition...4*4=1. This remains a constant. In the second segment**r**=1. velocity =1 m/s. In the third segment (1/4)^2 v=1. v=16 m/s...3 Answers · Science & Mathematics · 15/09/2019

V = kq/

**r**so**r**= kq/V = 8.98755179e9 * 1e-5/1e4 = 8.98755179e9 * 1e-5/1e4 = = 8.98755179e9...3 Answers · Science & Mathematics · 15/09/2019

potential = kQ /

**r**where k = 1/4πε₀ = 8.99e9N·m²/C² so potential = 8.... ◄ then 11.7 V = 8.99e9N·m²/C² * 57.7e-12C /**r**solves to**r**= 0.0443 m = 44.3 mm ◄ If you find this helpful, please...1 Answers · Science & Mathematics · 03/02/2020

(B) mv^2/

**r**= m*6.45*g = (73.0 kg)(9.81 m/s^2)(6.45) = Around 4500 N but use a calculator. (A) v^2/**r**<= 6.45*g =>**r**>= v^2/(6.45*g) = (103 m/s)^2/(6.45*9.81 m/s^2) = around 15m but use a calculator.1 Answers · Science & Mathematics · 12/12/2019

...39;s call it α. Then the linear acceleration of the mass is a = α*

**r**= α * 0.119m and the distance the mass travels between the two times...3 Answers · Science & Mathematics · 08/07/2019

2

**R**above the surface is 3**R**from the center. So the acceleration of gravity is 1/9 of the surface value. Then force = mass * acceleration = 1950 * (9.80665 / 9) = 2124 newtons.1 Answers · Science & Mathematics · 29/10/2019

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