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You roll two fair dice, a green one and a red one, What is the probability of getting a sum of 7? Bee G. Roodi? A friend says Oregon is beside Washington. I say it is not. Just like N. Dakota is not beside S. Dakota. What do you all say? Does the shapes of the crater depend more on the shape of the impact, or the angle it hits? Calculate the wavelength, in nm of an electron moving at a speed of The mass of an electron is 9.11 × 10-31 kg. (1 J = 1 kg ∙ m2 ∙ s-2)?