You stretch a spring ball system 0.552 m away from its equilibrium point and watch it oscillate. you find that the system's angular frequency is 1.42 rad/sec. what is the maximum speed of the ball?

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

The items in the following list are all units of matter. which is the smallest unit that retains the properties of the matter? a.) atom b.) compound c.) electron d.) element

What are the dimensions of the cross section that passes through the points a, f, g, and d?