Question: 4. A 0.7 in string is suspended by its centre to a hook in the ceiling of a room. Two 22.0 g charged balloons hang

4. A 0.7 in string is suspended by its centre to a hook in the ceiling of a room. Two 22.0 g charged balloons hang 'om the ends of the string in static equilibrium repelling each other at an angle of 40". One of the balloons has 2.2 times the charge of the other. Refer to the diagram below to answer the questions that follow it. a) What is the length of string connecting each of the balloons to the ceiling? (1 mark) b) Find r, the centre to centre distance between the balloons. (2 marks) 0) Draw the free body diagram for the charge on the left hand side of the gure above. (1 mark) d) Find Fe, the size of the electric force of repulsion between the balloons. (3 marks) e) Find the charge on each of the balloons. (4 marks)

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