Farah and Athena were attempting to push Kieran on the scooter with enough force so that Kieran would run into Mr. Collins. They figured out they needed a 75 N force to run the scooter into Mr. Collins.
Farah and Athena were both applying force from the left, Farah applying a 30 N force and Athena
pushing with a force of 25 N. Were they able to get Kieran to run into Mr. Collins? How can they get it to
hit him?

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