Suppose that at some instant in time the pressure exerted by the sound wave on your right eardrum is at a maximum and the pressure exerted by the sound wave on your left eardrum is zero. what is the lowest possible frequency, f, of the note that the musician is playing?

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?