HELPP Inside the international Space Station (ISS) many objects float freely. Imagine that inside the space there are two cans of the same size, but one can is full with non compressed cotton and the other is full with iron, Which of the two cans would have a greater mass?
a) the one with iron
b)the one with cotton
c)they would have the same mass
d) its imposible to know​

Explanation:

the one with iron

because the question talks about masses not weight

jupiter is the largest planet in our solar system, having a mass and radius that are respectively, 318 and 11.2 times that of earth. suppose that an object falls from rest near the surface of each planet and that the acceleration due to gravity remains constant during the fall. each object falls the same distance before striking the ground. determine the ratio of the time of fall on jupiter to that on earth.

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.