Physics, 27.09.2019 04:30 Yungnaudie
The intensity level of a "super-silent" power lawn mower at a distance of 1.0 m is 100 db. you wake up one morning to find that four of your neighbors are all mowing their lawns using identical "super-silent" mowers. when they are each 20 m from your open bedroom window, what is the intensity level of the sound in your bedroom? you can neglect any absorption, reflection, or interference of the sound. the lowest detectable intensity is 1.0 × 10-12 w/m2.
Answers: 1
Physics, 21.06.2019 21:50
When applying kirchhoff's rules, one of the essential steps is to mark each resistor with plus and minus signs to label how the electric potential changes from one end of the resistor to the other. the circuit in the drawing contains four resistors, each marked with the associated plus and minus signs. however, one resistor is marked incorrectly. which one is it?
Answers: 1
Physics, 22.06.2019 09:40
Which is special about a dc circuit ? a. it has both series and parallel components b. it has only series or only parallel components c. charge moves in a single direction d. charge moves back and forth quickly
Answers: 3
Physics, 22.06.2019 13:40
Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these
Answers: 1
The intensity level of a "super-silent" power lawn mower at a distance of 1.0 m is 100 db. you wake...
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