The quantity of charge q in coulombs that has passed, Ask an Expert

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Q1. A person carries a long pole of mass 14 kg and length 3.0 m at an angle of 60 degrees. Find the magnitude of the torque on the pole due to gravity.

Q2. The quantity of charge q (in coulombs) that has passed through a surface of area 2.10 cm2 varies with time according to equation q = 7t3 + 5t + 6, where t is in seconds.

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