Calculate the magnitude of the linear momentum for the following cases. (a) a proton with mass 1.67 x 10'27 kg, moving with a speed of 5.50 x 106 m/s :] X Your answer cannot be understood or graded. More Information kg ' m/s (b) a 12.5-g bullet moving with a speed of 395 m/s kg-ms/ (c) a 77.5kg sprinter running with a speed of 10.5 m/s kg-ms/ (d) the Earth (mass = 5.98 x 1024 kg) moving with an orbital speed equal to 2.98 x104 m/s. :] X Your answer cannot be understood or graded. More Information kg ' m/s