Physics, 11.07.2019 21:40, tyrareed702
Apoint source emits 28.9 w of sound isotropically. a small microphone intercepts the sound in an area of 0.214 cm2, 390 m from the source. calculate (a) the sound intensity there and (b) the power intercepted by the microphone.
Answers: 2
Physics, 22.06.2019 14:30, ayoismeisalex
Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?
Answers: 3
Apoint source emits 28.9 w of sound isotropically. a small microphone intercepts the sound in an are...
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