Show your work: A wolf is chasing an elk. The wolf has a mass of 100 kg and is running with a velocity of 16 m/s to the right. What is the wolf’s momentum? The elk has a mass of 180 kg. What does the elk’s speed have to be for it to have the same momentum as the wolf?

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.