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Physics, 21.06.2019 23:30
Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0Γ10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?
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Physics, 22.06.2019 02:10
Which statement correctly describes the relationship between frequency and wavelength?
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Physics, 22.06.2019 08:00
5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0Β°c and at the end it was 19.0Β°c. calculate the energy absorbed by the reaction.
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Physics, 22.06.2019 20:30
Avehicle accelerates from 0 to 30 m/s in 10 seconds on a straight road
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The periodic table is arranged by the number of neutrons is that statement true...
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