0102-{\rm kg} toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with a constant speed of 1.30 m/s in...

A 8.0×10−2-{rm kg} toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with a constant speed of 1.30 m/s in a horizontal circle of radius 0.50 m, as illustrated in the figure .Find the angle the string makes with the vertical. Find the tension in the string.