When an ice pack is applied to an injury, thermal energy from the injured area transfers to the ice, causing the blood vessels within the area to constrict, which reduces the swelling. how is thermal energy transferred in this scenario?
1.) conduction
2.) convection
3.) radiation

Explain vector addition, triangle method and parallelogram method

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

Oxygen and nutrients are moved through the body by the: a. circulatory system c. lymphatic system b. digestive system d. reproductive system