Angular Quantities: An artificial satellite in a low orbit circles the earth every 98 minutes. What is its angular speed in rad/s?
Fill in the blank(s) with the appropriate word(s).
0.0011 rad/s
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While air freight is energy inefficient, aircraft carry the greatest amount of freight
What will be an ideal response?
The motion of a piston in an auto engine is simple harmonic. If the piston travels back and forth over a distance of 10 cm, and the piston has a mass of 1.5 kg, what is the maximum speed of the piston and the maximum force acting on the piston when the engine is running at 4 200 rpm?
Because protostars are at a low temperature and surrounded by dust and gas, astronomers must observe them with ________.
A. ultraviolet telescopes B. gamma ray telescopes C. radar D. infrared and radio telescopes
In a neutral atom, the number of protons is equal to the number of ______________
Fill in the blank(s) with correct word