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PHY 122 – spring 2013 Brad Armen. No labs this week. Roll call. Class web site: http://webspace.ship.edu/gbarmen/PHY122. The Pep Talk. What we’re aiming for…. Plug and chug … . Given that F = ma where a = 9.8 m/s 2 and m = 1 kg, what’s F ?. A little harder….
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PHY 122 – spring 2013 Brad Armen • No labs this week • Roll call
The Pep Talk What we’re aiming for….
Plug and chug … Given that F = ma where a = 9.8 m/s2 and m = 1 kg, what’s F ?
A little harder… What force is needed to accelerate a mass of 1 kg at 9.8 m/s2 ?
A little harder + 1 … A force of 5 N acts on a mass of 2 kg. What’s its acceleration?
The goal … A force of acts on two masses. Mass A acquires three times the acceleration of mass B. What’s the ratio of mAto mB?
HW: ‘Mastering Physics’: www.masteringphysics.com Our course ID: MPARMENSPR2014 (Just log on to your old account, and you get prompted)
correct Submit Answer Happy, Proud incorrect Check math Bad good You get 5 tries, here’s how to use them wisely. Check thinking Bad good Answer is Still Wrong Get HELP!
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