The technology in solar panels allows us to convert the energy from the sun to energy which can be used to heat water.

electromagnetic; thermal
mechanical; electromagnetic
solar; chemical
thermal; chemica

An electric current in a wire will push or pull on a permanent magnet. which statement best explains how an electric current creates an electromagnetic force on another magnet?

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

How does the formation of intrusive and extrusive igneous rocks differ?