An object initially at rest explodes and splits into three fragments. The first fragment flies off to the west, and the second fragment flies off to the south.if the object has a mass of 3.6kg , the first fragment has a mass of 0.58kg and a speed of 2.5m/s , and the second fragment has a mass of 1.1kg and a speed of 1.5m/s , what is the speed of the third fragment?What is the direction of the third fragment?