Physics, 11.12.2019 21:31 shymitch32
An illustration of a decibel scale drawer like a traditional thermometer from 5 to 145 decibels. rustling leaves is 10 decibels, normal conversation is 50 decibels, vacuum cleaner is 80 decibels, front row at concert is 110 decibels and jet takeoff is 140 decibels.
which sounds can be heard safely by humans without risking damage to the ear? check all that apply.
rustling leaves
normal conversation
vacuum cleaner
front row at a rock concert
jet takeoff
answer- 1,2,3
Answers: 3
Physics, 21.06.2019 19:30, ctuek5990
The 20@kg wheel has a radius of gyration about its center g of kg = 300 mm. when it is subjected to a couple moment of m = 50 n # m, it rolls without slipping. determine the angular velocity of the wheel after its mass center g has traveled through a distance of sg = 20 m, starting from rest.
Answers: 3
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