Two technicians are discussing voltage regulators. Technician A says that the regulator is installed between the output terminal of the alternator and the positive terminal of the battery. Technician B says that the regulator is installed between the negative terminal of the alternator and the negative terminal of the battery. Who is correct?

Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net

Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz

The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?