Daca corpuri de masa m1=5kg si m2=3kg , se deplaseaza unul spre altul cu aceeasi viteza. Daca in urma ciocnirii plastice se degaja o cantitate de caldura de 10 j ,aflati viteza de deplasare a corpului

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

Blank liquids and gases exert a buoyant force on objects placed in them

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?