
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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How did they rearrange and get J without m, kg, s?

Transcribed Image Text:E(n) =
n² h²
8m₂ L2
3² × (6.62607004 × 10-³4 J s)²
8 ×9.1093856 × 10-31 kg x (8.4 x 10-¹0)² m²
It's a good idea to rearrange this to collect powers of ten;
3² × (6.62607004 × 10-34 J s)²
8 x 9.1093856 x 10-3¹ kg x (8.4 x 10¹0)² m²
32 x 6.62607004²
8 x 9.1093856 x 8.4²
X
(10-34)²
10-³¹ × (10¹0)²
= 7.68 x 10-19 J
J
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