Problem: X and Y are two uncharged metal spheres on insulating stands, and are in contact with each other. A positively charged rod R is brought close to X as shown in Figure (a). Sphere Y is now moved away from X, as in Figure (b). What are the final charge states of X and Y?(a) X is positive and Y is neutral.(b) Both X and Y are neutral.(c) X is negative and Y is positive.(d) Both X and Y are negative.(e) X is neutral and Y is positive.

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Problem Details

X and Y are two uncharged metal spheres on insulating stands, and are in contact with each other. A positively charged rod R is brought close to X as shown in Figure (a). Sphere Y is now moved away from X, as in Figure (b). What are the final charge states of X and Y?

(a) X is positive and Y is neutral.

(b) Both X and Y are neutral.

(c) X is negative and Y is positive.

(d) Both X and Y are negative.

(e) X is neutral and Y is positive.

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Our tutors have indicated that to solve this problem you will need to apply the Charging Objects concept. You can view video lessons to learn Charging Objects. Or if you need more Charging Objects practice, you can also practice Charging Objects practice problems.

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Based on our data, we think this problem is relevant for Professor Pandit's class at USF.