How much work must be done on a 10-kg bicycle to increase its speed from 5
m/s to 10 m/s?

answer by yourhope:

how do models compare to real-world objects?

d. most models represent a real-world object in a simpler way.

: )

56 moles of   lieter in chemistry

colorless gas, exhibiting a blue glow when placed in an electric field

b) solid

its a type of rock