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A bomb at rest at the origin of an xy-coordinate system explodes into three pieces. Just after the explosion, one piece, of mass m, moves with a velocity of 49 m/s in the negative x-direction, and a second piece, also of mass m, moves with a velocity of 23 m/s in the negative y-direction. The third piece has mass 3m.
a) Just after the explosion, what is the magnitude of the velocity of the third piece?
b) Just after the explosion, in what direction is the third piece moving?
A loop of diameter 15 cm is placed in a uniform electric field of magnitude 6.0 102 N/C. (a) What is the electric flux through the loop when the electric field is perpendicular to the plane of the loop? N·m2/C.
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A man in search of his dog drives first 10mi northeast, then 54mi straight south, and finally 6mi in a direction 30° north of west. What are the magnitude and direction of his resultant displacement.
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