A person carries a long pole of mass 20 kg and length 3.4 m, Ask an Expert

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Q. A person carries a long pole of mass 20 kg and length 3.4 m at an angle of 60 degrees. Find the magnitude of the torque on the pole due to gravity.

Q. A cosmic-ray proton in interstellar space has an energy of 14.0 MeV and executes a circular orbit having a radius equal to that of Venus's orbit around the Sun (1.08 * 10^11 m). What is the magnetic field in that region of space?

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Category:- Physics
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