When object 1 came into contact with object 2, object 2 got warmer. what can be concluded about the objects before they came into contact with each other?

object 2 did not have thermal energy.
object 1 had faster-moving particles
object 1 had less thermal energy
object 2 had fewer particles

The summit of chimborazo, in ecuador, which is at a distance of about 6,384 km from the earth’s center. the bottom of the mariana trench, in the western pacific ocean, which is nearly 6,370 km from the center of the earth. on the surface of earth on the equator line.

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

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering