TY - JOUR AU - Roy Garstang BT - American Journal of Physics DA - Jan-01-1996 DO - 10.1119/1.18206 PY - 1996 EP - 205 T2 - American Journal of Physics TI - Answer to Question $\#$25 [\textquoteleft\textquoteleftEscape velocity from the universe,\textquoteright\textquoteright Charles Hayes, Am. J. Phys. 63(9), 777 (1995)] VL - 64 SN - 00029505 ER -