Examlex
A satellite that is in a circular orbit 230 km above the surface of the planet Zeeman-474 has an orbital period of 89 min.The radius of Zeeman-474 is 6.38 × 106 m.What is the mass of this planet? (G = 6.67 × 10-11 N ∙ m2/kg2)
Body Tube
In microscopy, the part of a microscope that supports the eyepiece and connects it to the objective lenses.
Base
A substance that can accept hydrogen ions in solution and has a pH greater than 7.
Anxious
A feeling of worry, nervousness, or unease, typically about an imminent event or something with an uncertain outcome.
Simple Language
The use of clear, straightforward expressions and words for easy understanding.
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