The letter D represents the wavelength
The product of an object's mass and velocity is B.momentum.
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Motion by definition is the movement of things above or below the surface of gravity
Answer:
I'm pretty sure it's B because I studied this topic and I'm not right I'm sorry.
Answer:
The atom is mostly empty space.
Explanation:
Ernest Rutherford in the year 1911 developed a model of an atom. In his model the atom was shown that the atom is mostly empty spaces composed of negative electrons which orbits round a positive nucleus just like planets revolving round the sun.
Rutherford came up with this model by performing experiments in 1909 which involves the scattering of alpha particles on a thin gold foil. From this experiments he came up with his model.
