If we are the Moon's penumbra, then we will see a partial lunar eclipse
Indicate whether the statement is true or false
FALSE
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Why do astronomers suspect that Triton was a Kuiper belt object that was captured by Neptune?
A) It orbits Neptune in the opposite direction of Neptune's rotation. B) It is too large to have been formed in the jovian nebula that formed Neptune. C) It has an atmosphere and a measurable greenhouse effect. D) It undergoes seasonal changes. E) It is colder than any other moon or planet.
An elevator weighing 10,000. N is supported by a steel cable. Determine the tension in the cable when the elevator is accelerated upward at 3.0 m/s2. (g = 9.8 m/s2)
A) 40. kN B) 10. kN C) 7.0 kN D) 13. kN E) 11. kN
A car horn emits a frequency of 400 Hz. A car traveling at 20.0 m/s sounds the horn as it goes away from a stationary pedestrian. What frequency does the pedestrian hear? The speed of sound in air is 343 m/s
A) 378 Hz B) 389 Hz C) 411 Hz D) 422 Hz E) 450 Hz
Our solar system is located about 27,000 light-years from the galactic center. How far does our solar system travel in one orbit?
A) 85,000 light-years B) 54,000 light-years C) 100,000 light-years D) 170,000 light-years