AWzone Ning - A place for student scientists

AWzone Ning

A place for student scientists

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Marchel Holle, Juan Garcia-Gonzalez and Elliot Mamet joined AWzone Ning Dec 17, 2009

Elliot Mamet replied to Matthew Anthes-Washburn's discussion 'Ch. 3 Part III: Impulse and Momentum'

Remember that momentum is the area under a Force Time graph...

Dec 16, 2009

Elliot Mamet replied to Matthew Anthes-Washburn's discussion 'Ch. 2: Physics in Action'

Thanks Nora. This is great.

Dec 16, 2009

Zoe Tweed, Lizzy Nicholson, Lillie Toaspern and 3 more joined AWzone Ning Dec 16, 2009

Jeremy Hahn replied to Matthew Anthes-Washburn's discussion 'Ch. 2: Physics in Action'

if you have a heat source and a heat sink, and use some sort of heat engine to convert it to work, the byproduct is the two heat-differentiated bodies becoming one body at thermal equilibrium, and work. but no energy is lost. so doesnt this create…

Dec 15, 2009

Arthur Eisenkraft, Crestina Pacheco, Julia Ebert and 28 more joined AWzone Ning Dec 14, 2009

Nora Brown left a comment for Hannah O'Neill

yep all of that is right. you can use the d=v_oy*t+(1/2)at^2 to find the height, or you can use what that other guy said about conservation of energy and use h=((1/2)*(v_oy^2))/g the conservation approach is a LOT simpler to do because you…

Dec 14, 2009

Hannah O'Neill left a comment for Nora Brown

thank you so much for making the projectile motion sheet i am really really struggling with it. on teh problem at the end, i found teh vertical velocity is 306 and teh horizantal velocity it 257 and the time to reach the peak is 31.22.... is any of…

Dec 14, 2009

Hannah O'Neill replied to Matthew Anthes-Washburn's discussion 'Ch. 2: Physics in Action'

my hero!!!

Dec 14, 2009

Vikki Crystal replied to Matthew Anthes-Washburn's discussion 'Ch. 2: Physics in Action'

wow, this helps a lot!thanks

Dec 14, 2009

Topher Pollard updated their profile Dec 14, 2009

Nora Brown replied to Matthew Anthes-Washburn's discussion 'Ch. 2: Physics in Action'

yep! :) muchas gracias

Dec 14, 2009

Matthew Anthes-Washburn replied to Matthew Anthes-Washburn's discussion 'Ch. 2: Physics in Action'

The initial kinetic energy is equal to the GPE at the top, so you want the initial vertical velocity and can find h at the top. Does that make sense?

Dec 14, 2009

Nora Brown replied to Matthew Anthes-Washburn's discussion 'Ch. 2: Physics in Action'

what vertical velocity would you use here? initial or zero?

Dec 14, 2009

Matthew Anthes-Washburn replied to Matthew Anthes-Washburn's discussion 'Ch. 2: Physics in Action'

Great synthesis from two different areas of our work. Nice job, Leo!

Dec 13, 2009

Nora Brown replied to Matthew Anthes-Washburn's discussion 'Ch. 2: Physics in Action'

Woah does this actually work?

Dec 13, 2009

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Ch. 3 Part III: Impulse and Momentum 1 Reply

Share your thoughts on the third section of the Chapter Challenge.

Tags: Momentum, Impulse

Started by Matthew Anthes-Washburn. Last reply by Elliot Mamet Dec 16, 2009.

Ch. 2: Physics in Action 13 Replies

Post your questions and thoughts on topics from Ch. 2, including:Newton's LawsInertiaAdding and resolving vectorsProjectile motionFree-body diagramsForce of friction and coefficient of…Continue

Started by Matthew Anthes-Washburn. Last reply by Elliot Mamet Dec 16, 2009.

Ch. 1: Safety 2 Replies

Post your questions and thoughts on topics from Chapter 1:Reaction timeMeasurement and errorAverage speedVelocityAccelerationVectors vs. ScalarsKinematics equationsContinue

Tags: Safety

Started by Matthew Anthes-Washburn. Last reply by Jake Yolles Dec 13, 2009.