The Young’s modules of copper is known to have a value 1.3 x 1010 in CGS units. Given that 1 pound = 453.5 g, 1 foot ≅ 30.5 cm, the value of Young’s modulus of copper, in FPS units, is:
(1) (8.7 x 108) FPS units
(2) (8.7 x 1010) FPS units
(3) (7.24 x 105 ) FPS units
(4) (7.24 x 106 ) FPS units