Physics, 13.01.2021 19:50 laylay1548

Why did early organisms evolve eyes that could process visible light?

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Physics, 21.06.2019 19:00, dasiaflowers85

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Physics, 22.06.2019 06:30, angelinaranee15

Work = force × a. work b. energy c. distance d. momentum

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Physics, 22.06.2019 13:50, heatherlemaster

The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?

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Physics, 22.06.2019 17:50, arunamvr

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system