2017 USA Physics Olympiad Exam Part A 、> STOP:Do Not Continue to Part B If there is still time remaining for Part A,you should review your work for Part A,but do not continue to Part B until instructed by your exam supervisor. Copyright C2017 American Association of Physics Teachers2017 USA Physics Olympiad Exam Part A 7 STOP: Do Not Continue to Part B If there is still time remaining for Part A, you should review your work for Part A, but do not continue to Part B until instructed by your exam supervisor. Copyright c 2017 American Association of Physics Teachers