General Question

thedonja's avatar

Someone please rephrase this for me?

Asked by thedonja (95points) March 5th, 2009

In a perfectly inelastic collision, a bullet is fired into the stationary pendulum, which captures the bullet and absorbs its energy. The stationary pendulum now moves with a new velocity just after the collision. While not all of the energy from the bullet is transformed into kinetic energy for the pendulum (some is used as heat and deformation energy) the momentum of the system is conserved. By measuring the height of the pendulum’s swing, the potential energy of the pendulum when it stops can be measured. This allows the pendulum’s initial velocity to be calculated. Using the conservation of momentum, this allows the velocity of the bullet to be computed.

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15 Answers

emt333's avatar

no homework here, and certainly no plagiarism

wundayatta's avatar

I hope you can take the example I gave you, and use it to help you figure this out yourself.

Lightlyseared's avatar

Do you undurstand what it is talking about? I’m going to assume you do as your taking the class. Write that down.

elmagico's avatar

Done. Just copy and paste this, no need to check!

A perfectly inelastic collision while not all of the energy’s heat and deformation energy the momentum of the system is conserved. By measuring measuring the height of the pendulum’s swing the height of the pendulum’s swing, the potential energy of the pendulum when it stops can be measured. This allows the bs its energy. The stationary pendulum now moves with a new velocity just after the collision. While not all of the ene dulum’s initial velocity to be calculated. Using the conservation of momentum, this allows the velocity of the rbs its energy. The stationary pendulum now moves with a new velocity just after the collision of the bullet to be computed exactly.

wundayatta's avatar

@elmagico: What are you? Hungarian? Your English is more fractured than Faberge egg thrown from the top of the Sears Tower.

Dr_C's avatar

wow… that’s pretty fractured

MacBean's avatar

@daloon You win the internets. How would you like that wrapped, sir?

wundayatta's avatar

@MacBean—holy macaroni! For the second time today, I’m requesting an explanation. Internets? What is that? And what contest am I in?

MacBean's avatar

@daloon OMG, stop being old, kid. ;) “You win the Internet” basically means… good job at something online. “Internets,” “intarwebz,” “intertubes,” etc. are terms used in mocking/sarcastic/ironic terms to indicate someone isn’t exactly tech-savvy. In this case, I didn’t mean to use the extra S. Whoops! That’s what I get for making fun of people/things/myself too often.

wundayatta's avatar

@MacBean So the contest is about doing something well? I.e., the Faberge metaphor? You would not believe how long it took me to find something that would fracture properly! Of course, if they come here looking for the guy who broke all those Faberge eggs at the jewelry store, you never saw me!

MacBean's avatar

@daloon It’s really only a contest inasmuch as The Game is really a game. Basically, I wanted to say your comment was awesome but I was too packed with pie and chocolate and Chinese food at the moment to take the time to figure out if it was a simile or a metaphor or some other figure of speech. :D

wundayatta's avatar

@MacBean: Thanks, kid! ;-)

Zen's avatar

I’m so happy that I neither understand the question, nor have any inclination to rephrase it. Ignorance truly is bliss. Back to the nature and sex questions…

fathippo's avatar

woah… i hope i never get into anything that involves having to understand that dude =\
too complex i think…

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