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​

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd question 6 options: 3000 joules 30 joules 320 joules 3200 joules

The amount of potential energy possessed by an elevated object is equal to what?