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Q1.A 80.0 kg skier skies down a 10m tall slope with an incline of 20 degrees to the vertical. A horizontal headwind of 3N directly horizontal retards the skier's motion.

a. Solve for skier's velocity at the bottom of slope using the Work-Kinetic Energy Theorem.

b. resolve for the skier's velocity using Newton's Laws.

Q2. Assume the helmholtz coil consists of two sets of coaxial wire loops with 15 turns of radius R=75.00 cm, that are separated by R, and each coil carries the current 0.123A flowing in the same direction. Compute the magnitude and direction of magnetic field in the center between the coils.

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