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Consider the Oort clound to consist of a large number of comets at a distance from the Sun where the period of a circular orbit around the Sun would be a million years.
1. What is the radius of this orbit?
2. If a comet in this orbit is perturbed, therefore that its new orbit has an aphelion at its original orbital radius, however now a perihelion at 0.3AU, how long will it take to reach its perihelion?
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an electrical conductor designed to carry large currents has a circular cross section 2.30 in diameter and is 14.9
question air traffic observes two aircrafts on his radar screen. the first is at an altitude 800m horizontal distance
What is the energy released in this nuclear reaction 47Be + 01n ? 37Li + 11H
The driver of a car wishes to pass a truck that is travelling at a constant speed of 20 meters per second. Initially, the car is also travelling at 20 meters per second and its front bumper is 24 meters behind truck's rear bumper.
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