bi ) The iceberg is moving at a constant speed and the tensions in the two tow ropes are equal. Calculate the tension in each tour rope assuming the drag force from the water is 13 x 10* N. (4 marks] Ill Calculate the work done by the tug boat on the iceberg when the iceberg is pulled through 50km. [3 markal c) The lupbeat is moving through the water due west at 26 kmh, There is a water current in the a ol 09 bmh' due south! What is the magnitude and direction in degrees of the resultant velocity of the tugboat? (1 mark]