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Q. Petrus takes a cold glass of cola from the fridge. He puts 3 cubes of ice into it. He laeves the glass on a table in a warm room for 5 minutes. He notices that the ice cubes have become smaller. The outside of the glass is now wet. What is the reason for this?

Q. A uniform electric field of magnitude 380 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 3.10 cm.

(a) What is the work done by the field on the electron?

(b) What is the change in potential energy associated with the electron?

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Category:- Physics
Reference No.:- M9224494

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