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Get Full Access to College Physics For Ap® Courses - 1 Edition - Chapter 18 - Problem 68
Get Full Access to College Physics For Ap® Courses - 1 Edition - Chapter 18 - Problem 68

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# Construct Your Own identical spherical conducting space ships in deep space where

ISBN: 9781938168932 372

## Solution for problem 68 Chapter 18

College Physics for AP® Courses | 1st Edition

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Problem 68

Construct Your Own identical spherical conducting space ships in deep space where gravitational fields from other bodies are negligible compared to the gravitational attraction between the ships. Construct a problem in which you place identical excess charges on the space ships to exactly counter their gravitational attraction. Calculate the amount of excess charge needed. Examine whether that charge depends on the distance between the centers of the ships, the masses of the ships, or any other factors. Discuss whether this would be an easy, difficult, or even impossible thing to do in practice.

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Momentum! Reminder: If two objects move at a constant velocity for the same amount of time, the distance they travel is proportional to their velocity. Δx vt = Δx v = t Both carts start at the same velocity and travel the same distance in the start in the middle of the track.th hit the barriers at the same time if they If I add weight to cart #2, enough to double its mass, then: 1. Cart #1 and Cart #2 still get to the ends at the same time. 2. Cart #2 arrives ﬁrst. 3. Cart #1 arrives ﬁrst. 4. Cart #1 moves but Cart #2 doesn’t move. Where should I put the carts to make sure that #1 and #2 arrive at the same time 2m =m1. 2 1. Cart #1 should travel half the distance of #2. 2. Cart #2 should travel half the distance of #1. 3. Cart #1 should travel one third the distance of #2. 4. Cart #2 should travel one third the distance of #1. Where should I put the carts to make sure that #1 and #2 arrive at the same time 3m =m1. 2 1. Cart #1 should travel half the distance of #2. 2. Cart #2 should travel half the distance of #1. 3. Cart #1 should travel one third the distance of #2. 4. Cart #2 should travel one third the distance of #1. What happens if cart #1 discharges without touching cart #2 1. It still travels to the end of the track. 2. It travels in the o

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