ciaotaylor
14.04.2021 •
Physics
An object is placed 5.5 cm in front of a concave spherical mirror, and its image forms 12 cm behind the mirror. What is the focal length of the mirror?
6.5 cm
14 cm
10 cm
-14 cm
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Ответ:
As with all energy supply options, wind energy can have adverse environmental impacts, including the potential to reduce, fragment, or degrade habitat for wildlife, fish, and plants. Furthermore, spinning turbine blades can pose a threat to flying wildlife like birds and bats.Although wind power plants have relatively little impact on the environment compared to conventional power plants, concern exists over the noise produced by the turbine blades and visual impacts to the landscape. Wind plants can impact local wildlife. Birds have been killed by flying into spinning turbine blades.