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Science Clinic => Physics => Topic started by: ericka1 on Aug 6, 2020

Title: A hockey puck traveling at speed v on essentially frictionless ice collides elastically with one end ...
Post by: ericka1 on Aug 6, 2020

Question 1

A force is applied to a cylindrical roll of paper of radius R and mass M by pulling on the paper as shown. The acceleration of the center of mass of the roll of paper (when it rolls without slipping) is



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Question 2

A hockey puck traveling at speed v on essentially frictionless ice collides elastically with one end of a straight stick lying flat on the ice. In this collision

momentum is conserved.

angular momentum is conserved.

energy is conserved.

all of the above are conserved.

only momentum and angular momentum are conserved.
Title: A hockey puck traveling at speed v on essentially frictionless ice collides elastically with one end ...
Post by: ryansturges on Aug 6, 2020

Answer 1

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Answer 2

all of the above are conserved.
Title: Re: A hockey puck traveling at speed v on essentially frictionless ice collides elastically with one
Post by: Miguel Eldrin Cordero on Dec 5, 2021
<p><span class="a_bt">Answer 1</span></p><div style="font-family: Times New Roman; font-size: 11pt; color: #000000; "><img src="data:image/png;base64, iVBORw0KGgoAAAANSUh EUgAAAC0AAAArCAIAAA BjIZbQAAAAAXNSR0IAr s4c6QAAAARnQU1BAACx jwv8YQUAAAAJcEhZcwA AEnQAABJ0Ad5mH3gAAA JISURBVFhH7ZfLkQIxD 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" alt="" />.</div><br/><br/><p><span class="a_bt">Answer 2</span></p><div style="font-family: Times New Roman; font-size: 11pt; color: #000000; ">all of the above are conserved.</div>