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...of light in vacuum] / [speed of light in medium] = n Therefore speed of light

**through**the glass = c /**1**.5 = (3.0 ***10**^8 /**1**.5) = 2.0 ***10**^8 m/s [time taken] = [distance] / [speed] = (3.0 ***10**^-3...1 Answers · Science & Mathematics · 06/05/2012

... and show you how i

**do**it.... Question:...at a speed if 2.0x104 m/s**through**a uniform magnetic field whose magnitude is1.2-**10**-3 T. What ... =QvBsinF = (**1**.610 19 C)(2.0104 m/s...1 Answers · Science & Mathematics · 06/02/2011

well the speed of all electromagnetic wave is 3 *

**10**^8 m/s therefore formula = period = wavelengh/velocity**1**.5***10**^-**1**/3 ***10**^8 =**1**.5/3 ***10**^-9 period =0.5 ***10**^-9secs...3 Answers · Science & Mathematics · 08/06/2009

... a wavelength of 400-700nm or 400-700 x

**10**^-9 m. So if it's passed**through**a slit of that size it diffracts...and vertically. Just like a water wave**does**when passes**through**a small hole or...1 Answers · Science & Mathematics · 07/11/2011

... and push the magnet at the same rate. In pushing it

**through****10**loops at a rate of 1time per second, every loop that it passes**through**will generate**1**ampere. So if you were to increase the number of ...4 Answers · Science & Mathematics · 01/03/2009

...the glass, which is 2.0 x

**10**^-3 m Time needed to travel**through**that distance = (2.0 x**10**^-3) / (2 x**10**^8) =**1**x**10**^-11 seconds1 Answers · Science & Mathematics · 10/05/2012

multiply out

**1**/2.5+**1**/x to get (x+2.5)/2.5x so now you have 4.3 = 2/(x+2.5)/2.5x = 5x/(x+2.5) multiply both sides by x+2.5 4.3(x+2.5) = 5x => 4.3x+**10**.75=5x 5x-4.3x =**10**.75 .7x =**10**.75 x = 15.357 or 15.43 Answers · Science & Mathematics · 05/09/2008

... one coulomb of charge passes

**through**the lead wires each second... * time = Charge**1**.61 * t = 7.12 t = 7.12 ÷**1**.61 ...charge of one electron is**1**.60 ***10**^-19 coulombs. To determine...2 Answers · Science & Mathematics · 26/09/2015

3.

**10**^8 / 2.4 =**1**.25 .**10**^8 m/s Pretty easy... you have to**do**these yourself... give yourself the chance to be wrong, which is when you learn. You will usually be correct which is when you realise that you**do**grasp stuff.4 Answers · Science & Mathematics · 25/04/2010

speed of light

**through**glass Cg = Co / = 3x10^8 /**1**.5 = 2x10^8 m/sec then time taken t = d / Cg = 2x10^-3 / 2x10^8 =**10**^-11 sec.1 Answers · Science & Mathematics · 24/03/2012