Aracing car's velocity is increased from 44 m/s to 66m/s in 11 seconds.
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Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.

Atemperature inversion can cause a warm air mass to move over a colder air mass. this traps the colder air mass and prevents surface air from rising. this may result in which of these? a) smog b) acid rain c) freezing rain d) a thunderstorm