This topic contains a solution. Click here to go to the answer

Author Question: You are building a watermelon catapult for a school festival. The catapult arm is 1.5 m long, and a ... (Read 296 times)

jman1234

  • Hero Member
  • *****
  • Posts: 560

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?


33 rad/s2


10 rad/s2


53 rad/s2


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?


4 rad/s2


12 rad/s2


9 rad/s2


6 rad/s2



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by jman1234 on Oct 14, 2019

Briannahope

  • Sr. Member
  • ****
  • Posts: 364
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 55% of students answer this correctly





 

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

For a complete list of videos, visit our video library