When heat and pressure are applied to a sedimentary rock it turns into
A) a metamorphic rock
B) a meteorite
C) another sedimentary rock
D) an igneous rock
A
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Earth's magnetic field is generated in the iron rich mantle
Indicate whether the statement is true or false
A brass rod of length L 5 0.75 m is twisted by torques T until the angle of rotation between the ends of the rod is 3.58. The allowable shear strain in the copper is 0.0005 rad. The maximum permissible diameter of the rod is approximately:
(A) 6.5 mm
(B) 8.6 mm
(C) 9.7 mm
(D) 12.3 mm
What is the approximate nuclear radius of an isotope of sodium with 11 protons and 12 neutrons?
What will be an ideal response?
Calculate the range of the force that might be produced by the virtual exchange of a proton. Assume ?E??t = h/2?. (mp = 1.67 × 10^?27 kg, c = 3.00 × 10^8 m/s, and h/2? = 1.05 × 10^?34 J?s)
a. 6.72 × 10^?25 m b. 2.10 × 10^?16 m c. 6.00 × 10^?8 m d. 1.54 × 10^?15 m