During a hammer thrower's practice swing, the 5 kg head of the hammer revolves at a constant speed in a horizontal circle as shown. Knowing that the speed of the hammer is 3 m/sec and θ = 45∘ (a) draw free body diagram of the forces acting on the hammer (5 points) (b) the tension in wire BC ( 10 points) (c) the radius of the circle (10 points) Fig. P12.37