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Q1. A plane travels 1.20 km at an angle of 39 degrees to the ground then changes directions and travles 5.20 km at an angle of 19 degrees to the ground. What is the magnitude of the planes total displacement?

Q2. Compute the average number of ion pairs produced along the entire paths of 12.0 MeV electrons that are brought to rest in air. Would number of ion pairs produced in soft tissue be significantly different?

Q3. A wire has a length of 9.00 x 10-2 m and is used to make a circular coil of one turn. There is a current of 4.92 A in the wire. In the presence of a 2.90 T magnetic field, what is the maximum torque that this coil can experience?

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