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alexjlaonnae

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alexjlaonnae

Rutherford Gold Foil Experiment

What is the wavelength of the alpha particle Rutherford used in his famous gold foil experiment? How does this compare to the wavelength of the electron?
16:19 Wed 12th Feb 201410 answers, last by jim360 21:23 Wed 12th Feb 2014
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alexjlaonnae

Relativity

On the ground a spaceship measures 25 m in length. Later in the day Isaac goes to space. After the spaceship reaches cruise speed, Albert find that its length has contracted to 10 m. What is the speed...
18:36 Wed 29th Jan 201410 answers, last by Gizmonster 01:30 Fri 31st Jan 2014

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