A battery is rated at 12 V and 160 A-h. How much energy does this battery store?
A) 1.9 kJ
B) 6.0 kJ
C) 1.9 MJ
D) 6.9 MJ
D
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For silver at a tensile stress of 30 MPa and a temperature of 715°C, what is the primary creep mechanism?
What will be an ideal response?
When we use an analogy that represents the expanding universe with the surface of an expanding balloon, what does the inside of the balloon represent?
A) The inside of the balloon does not represent any part of our universe. B) the center of the universe C) the entire universe D) regions of the universe beyond the Milky Way Galaxy
A helium-neon laser (? = 632.8 nm) is used to calibrate a diffraction grating. If the first-order maximum occurs at 20.5°, what is the line spacing, d?
a. 1.81 × 10^?6 m b. 1.00 × 10^?5 m c. 1.00 × 10^?4 m d. 1.31 × 10^?6 m e. 6.76 × 10^?7 m
Which of the following statements is false?
a. Dikes are discordant rock bodies. b. Dikes are formed from magma. c. Dikes are tabular in shape. d. Dikes consist of extrusive igneous rock.