1. (a) What frequency is received by a person watching an oncoming ambulance moving at 110 km/h and emitting a steady 800-Hz sound from its siren? The speed of sound on this day is 345 m/s. (b) What frequency does she receive after the ambulance has passed? 2. (a) At...
lsdensl
Asked:
December 2022
Optical fibers are generally composed of silica, where light can travel as fast as 2.08 x 10 8 m/s. a. What is the index of refraction of optical fiber? b. How long will it take for that light to travel from St. Petersburg, Florida to Anchorage, Alaska which is...
lsdensl
Asked:
December 2022
evaluate the polynomial of p(x)= x^5 where x= -3 can yall answer this??? tysm