a tuba creates a 4th harmonic of frequency 116.5 hz. what is the length of the pipe in the tuba? speed of sound = 343 m/s unit = m

An input force of 7 n is applied to a machine with a mechanical advantage of 1.75. what is the maximum the machine could lift? 12.25 n7n7.25 n26.2 n

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe