Physics
Two people are talking at a distance of 3.4 m from where you are, and you measure the sound intensity as 1.0 10-7 W/m2. Another student is 4.2 m away from the talkers. What sound intensity does the other student measure? I just don't know how to start this problem
physics
Runner A is initially 4.6 km west of a flagpole and is running with a constant velocity of 4.8 km/h due east. Runner B is initially 7.4 km east of the flagpole and is running with a constant velocity of 6.4 km/h due west. What will be the distance of the two runners from the f...
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