During the annual shuffleboard competition, Renee gives her puck an initial speed of 9.32 m/s. Once leaving her stick, the puck slows down at a rate of -4.06 m/s/s. How long does it take the puck to come to a stop? A. 2.3 s
B. 3.4 s
C. 1.8 s
D. 2.7 s

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

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

Which situation will produce the greatest change of momentum