A parakeet flies with a velocity of 2.119 m/s south over a period of 12.09 seconds. If the parakeet initially flew north before changing direction and heading south for 45.12 m, how far north did it fly?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

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

10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!