A nail projects 25.00 mm horizontally outward from a wall. A picture is hung from the end of the nail and the nail deflects downward by 
The shear strain of the nail is
a. 
b. 
c. 
d. 
e. 
b.
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Earth's magnetic field is
A) something we've learned to live with. B) useful to pigeons but not to humans. C) protective to life on Earth.
An 18.0 pm wavelength photon is scattered by a stationary electron through an angle of 120°
What is the wavelength of the scattered photon? (melectron = 9.11 × 10-31 kg, c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s) A) 22.9 pm B) 21.6 pm C) 20.4 pm D) 19.2 pm E) 24.1 pm
If we had detected a signal from an advanced civilization in 2013 which was located at a distance of 7 light-years from the Sun, in what year was the signal actually transmitted?
A) 2007 B) 2013 C) 2020 D) 2006
A perfect Carnot engine operates between 350 K and 600 K. The engine delivers 10 kJ of work in each cycle. How much heat is extracted from the 600 K reservoir in one cycle?
A) 34 kJ B) 27 kJ C) 17 kJ D) 21 kJ E) 24 kJ