If the first law is really a description of nature, why do moving things in our environment eventually slow down?

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Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

The energy produced as a result of this flow of electrons from atom to atom is called

In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?