**r**adius of o**r**bit is 4**r**V = √(GM/ R ) V = √(GM/4**r**) V²4**r**= GM M = V²4**r**/...1 Answe

**r**s · Science & Mathematics · 28/10/2020A) Fe / Fg = (kQq /

**r**²) / (GmM /**r**²) = kQq / GmM Fe / Fg = 8.99e9N·m²/C² * (1.6e-19C)² / 6.674e−11N·m²/kg² * 9.11e-31kg * 1.67e-27kg Fe / Fg ≈ 2.3e39...1 Answe

**r**s · Science & Mathematics · 28/10/2020LOL..yeah. Magist

**r**a told me anothe**r**use**r**he**r**e said "YA is whe**r**e je**r**ks come to be je**r**ks." I could comment fu**r**the**r**..but it's pointless. Rest assu**r**ed you'**r**e one of the good ones, that...10 Answe

**r**s · Society & Culture · 03/11/2020so

**r**ef**r**active index**r**(ai**r**) = 1 ,**r**(unknown) = x By Snell's law**r**(ai**r**)*sin(angle of...1 Answe

**r**s · Science & Mathematics · 30/10/2020so refractive index

**r**(air) = 1 ,**r**(water) = x By Snell's law**r**(air)*sin(angle of incidence...1 Answe

**r**s · Science & Mathematics · 30/10/2020...su

**r**e about you**r**fo**r**mula. cent**r**ipetal accele**r**ation = g**r**avitational accele**r**ation v² / ( R +h) = GM / ( R +h)² which leads to v = √(GM / ( R ...1 Answe

**r**s · Science & Mathematics · 27/10/2020Cent

**r**ipetal fo**r**ce must equal weight mV²/**r**= mg V² =**r**g = 0.98•9.8 V = 3.05 m/s Cent**r**ipetal fo**r**ce...1 Answe

**r**s · Science & Mathematics · 17/11/2020minimum speed such that g = v²/

**r**v = √(g**r**) = √(9.81m/s² * 0.580m) = 2.39 m/s time to fall f**r**om h = (2.45...1 Answe

**r**s · Science & Mathematics · 30/10/2020Let height of the cylinde

**r**= h cm and R = Radius of the Cylinde**r**Capacity of the cylinde**r**= π...2 Answe

**r**s · Science & Mathematics · 09/11/2020a)a= v^2 /

**r**= 400/2 = 200 m/s^2 b) F = ma = 10 * 200 = 2000N ( app**r**oximately 200kg weight equivalent assuming no mass is in the chain )2 Answe

**r**s · Science & Mathematics · 18/11/2020