Here are several modern sources of music: a rock concert the radio an ipod the soundtrack in a movie background music played over speakers in a mall what do all of these have in common?

Which action is good business etiquette? a. switching your cell phone off before you enter a meeting b. keeping your cell phone on low volume before you enter a meeting c. setting a pleasant ring tone on your cell phone before you enter a meeting d. setting a standard ringtone on your cell phone before you enter a meeting

Knowing that the central portion of link bd has a uniform cross sectional area of 800 mm2 , determine the magnitude of the load p for which the normal stress in link bd is 50 mpa. (hint: link bd is a two-force member.) ans: p = 62.7 kn

Looking at the electroscope, describe how you can cause the two leaves at the bottom to repel each other and stay that way