m0aciaskurPog m0aciaskurPog

20-10-2016
Chemistry

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How to Calculate the de Broglie wavelength for each of the following ? a. an electron with a velocity 10.% of the speed of light b. a tennis ball (55 g) served at 35 m/s (,80 mi/h)

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Loliypop3 Loliypop3

20-10-2016

h = planks constant
m = mass of the object
u = velocity of the object

h = 6.626 * 10^-34 J/s
the mass of an electron is 9.12*10^-31 kg
10% speed of light = 10% * 3*10^8 = 3*10^7 m/s, i dont have my graphing calc with me right now so i leave the technicalities up to you

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