A building where it is very easy to hear soft voices is a acoustically dead room. A. False
B. True

Ahollow metal sphere has 6 cm and 11 cm inner and outer radii, respectively. the surface charge density on the inside surface is −100nc/m2. the surface charge density on the exterior surface is:

Picture a all traveling at a constant speed around the inside of a circular structure. is the ball accelerating? explain your answer

A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?