Hoping to rebound from their loss to the Eagles, the Panthers flew to the Georgia Dome for a Week 2 NFC South duel with the Atlanta Falcons.  In the first quarter, Carolina delivered the first scratch as kicker John Kasay got a 38-yard field goal.  The Falcons would answer with quarerback Matt Ryan completing a 24-yard touchdown pass to tight end Tony Gonzalez.  The Panthers would retake the lead in the second quarter as running back DeAngelo Williams getting a 3-yard touchdown run, but Atlanta would reply with Ryan completing a 10-yard touchdown pass to running back Jason Snelling.  Carolina would gain some ground as Kasay nailed a 50-yard field goal, but the Falcons would close out the half with Ryan completing a 7-yard touchdown pass to wide receiver Roddy White.  After a scoreless third quarter, Atlanta would pull away as running back Michael Turner getting a 1-yard touchdown.  The Panthers would try to rally, but get only get an 11-yard touchdown pass from quarterback Jake Delhomme to tight end Dante Rosario.
Question: How many yards was the longest field goal of the first half?
Answer: 50