<em>Hello there my dear friend!</em>
<em>The </em><em>Correct Answer</em><em> you are looking for is </em><em>100%</em><em>: </em>
"<em>Option D</em>. <em>As the balloon gets cooler, the molecules lose energy and move closer together causing the balloon to shrink."</em>
<em>Hope that helps, </em><u><em>Thankyou for visiting Brainly</em></u><em>. We hope to seeing you again, and as always, </em><u><em>if any help needed, don't hesitate on contacting me!</em></u>
<em>-TheOneAboveAll :D</em>
<em><u>(Ps. Mark as Brainliest IF Helped, Have a nice day!) :)</u></em>
KE = 1/2mv^2
1/2(10.5)(9)^2
1/2(10.5)(81) = 425.25 J
