(b) At time t=0 a UFO is spotted at coordinates (5, 10) (units of km) flying at 500 km/h in a straight line parallel with the x axis from right to left. At the same time, a jet at the origin (0, 0) flying at 1500 km/h turns to intercept the UFO. What heading, L.e. angle with the y-axis measured clockwise, must the jet take to intercept the UFO in the shortest time and what is the distan travelled by the jet to the intercept point?
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