Define what would be the change in the period

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Q. A balloon with a radius of 14cm and an electric charge of 3.75x10^-9 C is brought within the electric field of the larger balloon so their centres are 40.0cm apart. Determine the magnitude of the electric force exerted by this electric field on the smaller balloon.

Q. The length of a pendulum changes by thermal expansion. If the length increases by 0.1%, what would be the change in the period?

Reference no: EM1345841

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