Please help i dont understand!
The speed of a wave is expressed as 360 km/h. How can this quantity be expressed in the SI of wave speed?
Group of answer choices

100 km/min

36 km/s

36 m/s

100 m/s

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point

Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?

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.