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Q1. assume that for the couple in, you were told that the girl's mass was two-thirds that of the boy. The boy has a velocity of v = +0.61 m/s. What would be the girl's velocity in this case?

Q2. An electric motor contains a 250 turn circular coil 6.40 cm in diameter. If it is to develop a maximum torque of 1.4 N*m at a current of 4.0 A, what must be the magnetic field strength?

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