Friday, November 28, 2014

Makeup Online Exam and all Online Homework Assignments in https://www.eztestonline.com/695230/index1.tpx are open.

Chapter 23. Electromagnetic Waves


Thursday, November 27, 2014

Algebra Based General Physics II

Makeup Online Midterm Exam is again Open

New Russian Stealth Jet Fighter Called ‘Super Weapon’ Giving Russia Edge Over U.S. In Skies

A new Russian jet fighter, using stealth technology designed to conceal the plane from radar, is being called a "super weapon" by military experts who say that the fifth-generation Russian fighter jet actually surpasses United States fighters and could give Russia an advantage in the skies. Known as the TA-50 PAK FA, the new Russian stealth fighter is developed by the Russian aeronautic giant Sukhoi and is set to go into action in 2016. Russia is developing the new super fighter together with India, which is kicking in 25 percent of the T-50 program's $20 billion projected cost.

New Russian Stealth Jet Fighter Called 'Super Weapon' Giving Russia Edge Over U.S. In Skies
http://www.inquisitr.com/1638419/russian-stealth-fighter-jet-super-weapon/#goJZVIea1TxX3OLP.03


Saturday, November 22, 2014

Liftoff

Vasiliy Znamenskiy shared Panah Rad's post with you.
 Liftoff 
Panah Rad
X-35B
X-35B First Flight

I want one :)
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A colorized scanning electron micrograph...

Vasiliy Znamenskiy shared World Science Festival's post with you.
World Science Festival
A colorized scanning electron micrograph showing sensory hair cells in the cochlea of the inner ear. Inner ear hair cells help transform vibrations into electrical signals that are sent to the brain via the auditory nerve. http://ow.ly/EIBh3
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Artist's Research


Friday, November 21, 2014

Veil Nebula I know I have many images of...

Vasiliy Znamenskiy shared Hermosa Galaxia's post with you.
Hermosa Galaxia
Veil Nebula I know I have many images of this nebula, but each one is uniquely awesome!.
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Sunday, November 9, 2014

Chapter 21, Problems 4, 7. A single loop of wire ...

New York City Physics Tutor


Chapter 21, Problem 4. A single loop of wire with an area of x1 m2 is in a uniform magnetic field that has an initial value of x2 T, is perpendicular to the plane of the loop, and is decreased with the constant rate of x3 T/s.
(a) What emf is induced in this loop?






(b) If the loop has a resistance of x4 Ω, find the current induced in the loop.






Chapter 21, problem 7. A closely wound rectangular coil of N turns has dimensions of x1 cm by x2 cm. The plane of the coil is rotated from a position where it makes an angle of x3ᵒ with a magnetic field of x4 T to a position perpendicular to the field. The rotation takes x5 s.
What is average emf induced on the coil?


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