You are building a watermelon catapult for a school festival. The ...

[jman1234]

Question 1

You are playing a music CD, which is rotating at 20 rad/s. You want to find another song, so you press the Fast Forward button. If 3 seconds later the CD’s angular velocity is 53 rad/s, what was the CD’s average angular acceleration?

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33 rad/s2

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10 rad/s2

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53 rad/s2

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11 rad/s2

Question 2

You are building a watermelon catapult for a school festival. The catapult arm is 1.5 m long, and a watermelon is initially at rest. The catapult is then triggered. At the point the watermelon is released, the catapult has a maximum angular velocity of 18 rad/s. What is the new tangential velocity of the watermelon?

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4 rad/s2

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12 rad/s2

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9 rad/s2

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6 rad/s2

[Briannahope]

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[jman1234]

TY

[Briannahope]

You're welcome