"10.1119/" . . . _:b106598056 . . . . _:b55901530 "American Association of Physics Teachers" . _:b106598056 . . _:b81143753 . . . . . . . . . . . . . . . . . . . . . . . . "1943-2909" . _:b55901530 . _:b81143753 . . . . . . . . . . . . _:b30712802 . _:b132063197 . . . . . . . . _:b81143753 "American Association of Physics Teachers" . . . . . . . . . . . _:b157517068 . . . . . . . . . . . . . . . _:b157517068 . _:b132063197 . . . . . . . . "0002-9505" . "American Journal of Physics" . . . . . . _:b30712802 . . . . _:b30712802 "American Association of Physics Teachers" . _:b157517068 "American Association of Physics Teachers" . . . _:b132063197 "American Association of Physics Teachers" . . . . . . . . "Amer. J. Phys." . . _:b55901530 . . . . . . . . . _:b106598056 "American Association of Physics Teachers" . . . . . . .