Why are Moon rocks older than Earth rocks, if the impact theory has the Moon being made by another body striking the newly formed Earth?
What will be an ideal response?
The Earth's surface is constantly being reformed by plate tectonics and atmospheric erosion processes, while the Moon is no longer geologically active.
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The four fundamental forces in nature are the __________, __________, __________, and __________
Fill in the blank(s) with correct word
For a force to be a conservative force, when applied to a single test body
a. it must have the same value at all points in space. b. it must have the same direction at all points in space. c. it must be parallel to a displacement in any direction. d. equal work must be done in equal displacements. e. no net work must be done for motion in closed paths.
The capacitance per unit length of a very long coaxial cable, made of two concentric cylinders, is 50 pF/m
What is the radius of the outer cylinder if the radius of the inner one is 1.0 mm? (k = 1/4??0 = 8.99 × 109 N ? m2/C2) A) 0.50 mm B) 4.0 mm C) 2.0 mm D) 3.0 mm E) 1.0 mm
We would expect the curve for number of can openers sold vs. time to be a logistic curve
What will be an ideal response?