If the ball has a mass of 30 kg and a speed v = 4 m/s at the instant it is at its lowest p...

If the ball has a mass of 30 kg and a speed v = 4 m/s at the instant it is at its lowest point, θ = 0°, determine the tension in the cord at this instant. Also, determine the angle θ to which the ball swings at the instant it momentarily stops. Neglect the size of the ball.