Which device is based on the expansion of matter as temperature increases? (DISCLAIMER: If your gonna answer, leave an explanation. I'd like to learn how it works, too.)

A. Thermometer
B. Calorimeter
C. Oven
D. Scale

Porque crees que el agua no podia subir mas de 10 m de altura con ese tipo de bomba

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

Aplane travels 1000 miles in 5 hours .what is the planes average speed?