#7489

1414

May 17, 2018, 8:29 a.m.

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//Lodal is asking about the speed of light Student: 3*10^8, right? Lodal: Ok, well, here's me being difficult. This is the value we're going to use: //Writes 2.998 m/s on the board

#2190

66

Sept. 24, 2010, 2:36 p.m.

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Mr. Pham: Can someone turn out the light?! I can't see myself!