Physics, 20.04.2020 23:49 sindy35111
A fan at a rock concert is 40.0 mm from the stage, and at this point the sound intensity level is 108 dBdB . Sound is detected when a sound wave causes the tympanic membrane (the eardrum) to vibrate . Typically, the diameter of this membrane is about 8.40 in humans?(A) How much energy is transferred to her eardrums each second ?
(B) How fast would a 2.00 mg mosquito have to fly to have this much kinetic energy?
Answers: 2
Physics, 21.06.2019 19:20, Obeilskzexal
Aferris wheel is a vertical, circular amusement ride with radius 9 m. riders sit on seats that swivel to remain horizontal. the ferris wheel rotates at a constant rate, going around once in 9 s. consider a rider whose mass is 56 kg. at the bottom of the ride, what is the perpendicular component of the rate of change of the rider's momentum? at the bottom of the ride, what is the vector force exerted by the seat on the rider?
Answers: 1
A fan at a rock concert is 40.0 mm from the stage, and at this point the sound intensity level is 10...
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