25 Jan There are two perpendicular components of the velocity of the asteroid. One is the tangential component calculated above. What is the second component? Draw the velocity vectors and label b
QUESTIONS 1. There are two perpendicular components of the velocity of the asteroid. One is the tangential component calculated above. What is the second component? Draw the velocity vectors and label both components
2. What is the orbital radius of the Earth? What is another name for this distance? Express this distance in both AU and km. Draw a picture of the Earth orbiting the Sun to help you answer this question.
3. What is the orbital period of the Earth? Express this answer in both years and seconds.
4. Using the information from questions 2 and 3, we can calculate the orbital velocity of the Earth for comparison with the orbital velocity of the asteroid. Velocity can be calculated by using this equation: velocity = distance / time. Using the orbital radius of the Earth, divide the circumference of the Earth’s orbit (2 π ROE ) with its orbital period ( T ) in seconds to determine the earth’s orbital velocity. VO = 2 π ROE / T
5. Would you expect an asteroid to have a lower or higher orbital velocity than the earth? Why? Look at the orbital velocities of planets in our Solar System in an appendix in your text for a pattern on which to base your answer.
6. How does this asteroid’s tangential component of velocity compare to the orbital velocity of the earth? Does it follow the pattern of orbital velocities of other objects in the Solar System?
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