Which of the following are extended structures? Helium gas inside balloon
Pure silver coin
Grain of salt
Drop of water
Pure gold ring
Oxygen gas inside test tube
Grain of sugar

the pull of gravity on the rocket decreases

the total distance that martina travels that day is

(distance from home to mom's office) plus (distance from mom's office to school)

plus (distance from school to library) plus (distance from library to friend's house)

plus (distance from friend's house to martina's house).

(we don't know what any of these distance actually is.)

r = ρ x length / area  

ρ = r x area / length  

ρ is in ohm-meters  

in basic units, it is m³kg/s³a²  

i think this is it.

answercollision;