3.) The lid of a container rolls for 2.4 m along the ground before it plops down. If the radius of the lid is 0.08 m and the lid rolled for 3.5 seconds determine The circumference of the lid:

The number of rotations the lid made:

The rotational speed of the rolling lid:

The liberal speed of the rolling lid:

(Show work if you can!)

Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. which of the following best describes how such a telephone is able to transmit and receive information? a. the cellular telephone transmits, receives, and encodes information using only sound waves. b. the cellular telephone transmits, receives, and encodes information using only electromagnetic waves. c. the cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound. d. the cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.