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Q1. Marbles having a mass of 5g fall from rest at A through the glass tube and accumulate in the can at C. establish the placement R of the can from the end of tube and speed at which the marbles fall into the can. Avoid the size of the can.

Q2. A parallel-plate air capacitor with a capacitance of 236 has a charge of magnitude 0.13 on each plate. The plates have a separation of 0.33.What is the potential difference between the plates?

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