Answer:
28.796 J
Explanation:
I hope that it's a correct answer.
Answer:
Neither end of Earth’s axis is tilted toward or away from the sun.
Answer:
Transition has to cross between solid and liquid in gray zone.No indoor organized public events and social gatherings are allowed, except with members of the same household.
Answer:

Explanation:
The volume of the balloon can be find compared the force in each cases so:
reduce 25% from 74kg

So the net force uproad on the balloon is

Now the density of the both gases air and helium are different however the volume is the same change offcorss the mass so:





