WHILE USING SUFFICIENT PWR TO MAKE A TIGHT 180 DEG TURN AFTER PUSHBACK FROM THE GATE; THE MLG JET BLAST CAUSED A BAGGAGE CART TO STRIKE ANOTHER PARKED ACFT. THE ACFT FUSELAGE RECEIVED MINOR DAMAGE AND THE GND PERSONNEL AGENT'S HAND WAS INJURED.

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WE PUSHED OFF GATE XG AT XX20. THE WX WAS WINDY; 190 DEGS AT 20 KTS GUSTING TO 24 KTS; RWY 8 IN USE. COMPANY HAD JUST PUSHED OFF GATE XD; SO OUR PUSHBACK CREW PUSHED US. WE WERE FACING E; WITH OUR R WING BLOCKING TXWY D. ABEAM GATE XC; COMPANY OFF GATE XB CALLED FOR TAXI FROM SPOT Z. PHX GND TOLD HIM TO TAXI TO RWY 8R; BUT NOT TO USE E10; BECAUSE THERE WAS INBOUND TFC. WE CALLED FOR TAXI FROM SPOT Y; GND CLRED US TO TAXI TO RWY 8R VIA TXWY D. THE CAPT PUSHED THE PWR TO 68-77% N2 TO GET THE ACFT ROLLING FORWARD; THEN MADE A VERY TIGHT 180 DEG TURN TO TAXI W ON TXWY D. THE JET BLAST TOGETHER WITH THE AMBIENT WIND CAUSED A BAGGAGE CART TO ROLL AND STRIKE AN ACFT PARKED AT GATE XH. WITH THE ACFT FACING E AFTER THE PUSH; AND THE COMPANY ACFT BLOCKING TXWY D TO THE E; A 180 DEG TURN ON TXWY D WAS THE ONLY DIRECTION WE COULD GO. WHEN WE CALLED BACK OUR TIMES; WE WERE ADVISED BY THE COMPANY THAT THE BAGGAGE CART HAD BEEN BLOWN INTO THE ACFT ON GATE XH; CAUSING MINOR DAMAGE TO THE R REAR FUSELAGE AND MASHING THE HAND OF AN OPS AGENT IN THE PROCESS.