a ball rolls 50 meters in
10 seconds *

a. 2 meters per second

b. 5 meters per second

c. 10 meters per second
d. 25 meters per second

An object's buoyant force and weight mean the same thing.a. trueb. false

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

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.