The second law of thermodynamics states that
when a process converts energy from one form to another, some energy converts into heat, a less usable form of energy
energy can neither be created nor destroyed, but can change from one form to another
energy flows through ecosystems without being recycled
most energy in ecosystems comes from the sun

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.

Why do atoms emit energy of only specific wavelengths