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Kinetic Energy - Topic profile

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	Physics Help and Math Help - Physics Forums - 1,072
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	Science & Mathematics - Yahoo! Answers - 145

Related threads on kinetic energy:

	When the kinetic energy of an object is doubled, what... When the kinetic energy of an object is doubled, what happens to its momentum?
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	Derive mass and volume from kinetic energy formula? Derive mass and volume from kinetic energy formula?
	Any comments on Kinetic Energy heating System 2000? Any comments on Kinetic Energy heating System 2000?

Latest threads on kinetic energy:

Work and Kinetic Energy?

Started 5 days, 11 hours ago (2008-10-07 10:20:00) by briscoe2...

A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (2.2 m, 5.7 m) while a constant force acts on it. The force has magnitude 1.0 N and is directed at a counterclockwise angle of 128° from the positive direction of the x axis. How much work is done by the force on the coin during the displacement?

Source: Science & Mathematics - Yahoo! Answers

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Physics--Work-kinetic energy theorem and power. HELP PLEASE!?

Started 5 days, 12 hours ago (2008-10-07 09:45:00) by Lila

1). a person doing a chin-up weighs 700.0N, disregarding the weight of the arms. during the first 25.0 cm of the lift, each arm exerts an upward force of 355N on the torso. if the upward movement starts from rest, what is the person's speed at this point? 2). Starting from rest, a 5.0 kg block slides 2.5 m down a rough 30.0degrees incline in 2.0s. Determine the following: a. the work done ...

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What is its Kinetic Energy?

Started 5 days, 18 hours ago (2008-10-07 04:09:00) by jcr

1. Sally has a mass of 45 kg and is moving with a speed of 10.0 m/s. a. Find Sally's kinetic energy. b. Sally's speed changes to 5. o m/s . Now what is her kinetic energy? c. What is the ratio of the kinetic energies in a and b? Explain the ratio. 2. Shawn and his bike have a total mass of 45 kg. Shawn rides his bike 1...

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It's only a matter of kinetic energy. [rolepla

Started 1 week, 5 days ago (2008-09-30 13:32:00) by dontxneedxhim

The world runs on Greed How many characters can you play at once?

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It's only a matter of kinetic energy. [closed.]

Started 1 week, 6 days ago (2008-09-29 19:13:00) by habituated__.

Running through the streets of Diagon Alley was a stout young man. He had dark hair that looked like he had just rolled out of bed an hour ago for a day of fun. His hazel eyes watched the people as the darted in and out between them. He was running and laughing at the same time for on his back was a young girl. The girl had shoulder length auburn hair that was flowing in the...

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potential energy converted into kinetic energy

Started 1 week, 6 days ago (2008-09-29 13:36:00) by nh8404052006

In terms of physics, the characteristic feature of the roller coaster is that the cars potential energy, gained through their being lifted by a chain drive through the Earths gravity to the top of the first drop, has been converted to kinetic energy by the time the ride ends. A. cars potential energy, gained through their being lifted by a chain drive B. cars' potential energy, a ...

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Forum: GMAT Sentence Correction

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Kinetic Energy Interceptor Team Completes Test Of Enhanced

Started 2 weeks, 1 day ago (2008-09-27 04:38:00) by RSS News

To Be Utilized In Advanced Missile Defense Interceptors The Raytheon Company and Northrop Grumman Kinetic Energy Interceptor (KEI) team fired a Stage 2 rocket motor featuring an enhanced nozzle and upgraded ballistics. The firing occurred at the Alliant Techsystems test facility in Elkton, MD on September 25. Read more...

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Kinetic Energy Tracks from April 1979 Live TV Performance

Started 2 weeks, 4 days ago (2008-09-24 11:39:00) by rcsblues

Long Live The Allman Brothers Band - My brother Gary Smith and I were in Kinetic Energy in the late 70's in Amarillo Texas; we were heavily into the Allman Brothers music at the time; Listen to a couple of our tribute songs at Kinetic Energy 1979 Jackson Street Live Audio Tracks http://bandmix.com/rcsblues/ These are the full studio versions and can be downloaded; In Memory of Elizabeth ...

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Forum: Blues, Jazz and Jam

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Calculating the work and kinetic energy?

Started 2 weeks, 4 days ago (2008-09-24 04:35:00) by ineedhel...

a 3kg block is moved up a 37deg. incline under the action of a constant horizontal force of 40N. the coefficient of kinetic friction is 0.1 and the block is displaced 2.0m up the incline. calculate the ff; a. the work done by the 40N force b. the work done by gravity c. the work done by friction d. the kinetic energy of the block. note: the applied force is not parallel to ...

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Gambit's kinetic energy charge noise?

Started 2 weeks, 6 days ago (2008-09-22 17:15:00) by VisionaryFreak

heh, probably a weird question... but I'm really curious - does anyone think that when he charges a card with energy in the flick, that they'll use the sound from the cartoon? I always thought it was a real cool noise and since the crew on the Transformers film used the old transforming sound from the cartoon, does anyone feel that the X-Men Origins crew will use the sound from the cartoon?...

Source: IMDb - X-Men Origins: Wolverine (2009)

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RE: Work and Kinetic Energy? - Yahoo! Answers - 3 new posts

Started 5 days, 11 hours ago (2008-10-07 10:39:00) by The Arrogant 1

You have to account for the angle between the force and the displacement vectors. Work done by a constant force is actually W=Fdcos(A) A=the angle between the force and displacement vectors. You could also write this as the dot product of the force and displacement vectors.

Source: Science & Mathematics - Yahoo! Answers

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RE: What is its Kinetic Energy? - Yahoo! Answers - 3 new posts

Started 5 days, 14 hours ago (2008-10-07 07:28:00) by Omer Hassan

1a. KE = (1/2)mv^2 = (1/2)(45)(10)^2 = 2250 J 1b. KE = (1/2)mv^2 = (1/2)(45)(5)^2 = 562.5 J 1c. the ratio of kinetic energies = 562.5/2250 = 1/4 since KE is directly proportional to the square of velocity, reducing the velocity to half its original value reduces KE to a quarter of its original value. 2. velocity = 1.8 x 1000m / (10 x 60min) = 3 m/s KE = (1/2)mv^...

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Re: Gambit's kinetic energy charge noise? - 1 new post

Started 1 week ago (2008-10-05 18:34:00) by wantutosigh

"As long as they do some sort of audio sound i'm sure we will all be happy" Exactly. There are many other things on my list to worry about first over the sound of his power. AS long as it's a reasonable sound, i'll be fine.

Source: IMDb - X-Men Origins: Wolverine (2009)

Kinetic Energy - Topic profile

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