Which mass has the greatest gravitational potential energy with respect to the floor? (1) a 50.-kg mass resting on the floor
(2) a 2.0-kg mass 10. m above the floor
(3) a 10.-kg mass 2.0 m above the floor
(4) a 6.0-kg mass 5.0 m above the floor​

where's the following? you gotta add it to know what the choices are

explanation:

gas and liquid

i don't understand. explain it clearly

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.)