Density=mass/volume so mass= volume*density
Volume=40*20*9
Mass=7200*2.75
=19800
Now turn it into kg which will be
19800\1000
=19.8
The internal energy r<span>efers to the total energy of a system. The enrgies are kinetic energy and potential energy of the system that makes up the whole energies of the system.</span>
Answer:
1. Two people stand on the same side of a large tire. Both people pull the tire with equal force.
2. an object’s ability to not change its motion
3. The car moves forward, while inertia keeps the balloon in place.
4. The unbalanced forces of air resistance and gravity slow the airplane and pull it down.
5. The force acting on the object must be unbalanced.
<h3>Answer:</h3>
Have a <em>strong</em><em> </em><em><u>polar</u></em><em><u> </u></em><em><u>attractio</u></em><em><u>ns</u></em><em><u> </u></em>between <em><u>molecule</u></em><em><u>'s</u></em><em><u> </u></em><em><u> </u></em><em><u>involvin</u></em><em><u>g</u></em><em><u> </u></em><em><u>H</u></em><em><u>,</u></em><em><u> </u></em><em><u>F</u></em><em><u>,</u></em><em><u> </u></em><em><u>O</u></em><em><u> </u></em><em><u>and</u></em><em><u> </u></em><em><u>N</u></em><em><u>.</u></em>
SUBMIT!
<em><u>hope</u></em><em><u> </u></em><em><u>it</u></em><em><u> </u></em><em><u>help</u></em><em><u>s</u></em>