A softball pitcher throws a 0.17 kg ball toward a batter who is 20m away. The ball is traveling at 22 m/s when it leaves the pitcher’s hand. What is the ball’s kinetic energy at this point? A. 82 J
B. 2 J
C. 41 J
D. 4 J

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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

Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.

First to answer will be the brainliest i need the answer asap