15. Two loudspeakers are placed 6.0 m apart. They produce the same sounds, in step, across a frequency range of 1908 Hz to 2471 Hz Point P is located 4.70 m from one loudspeaker and 3.60 m from the other. What frequency of sound from the two speakers will produce constructive interference at point P? Assume the speed of sound is
314 m/s

2420 Hz
2110 Hz
2340 Hz
2190 HZ
2220 Hz

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers total displacement?

Acharge q experiences no net force at a particular point in space. which of the following situations described below must always be true? -there are no other charges nearby. -if there are other charges nearby, they must all have the same sign as q. -if there are other charges nearby, they must all have the opposite sign of q. -if there are other charges nearby, the total positive charge must equal the total negative charge. -none of the above