Batool74 Batool74 29-11-2022 Physics contestada A race car races a 100 m sprint track at an average speed of 9.50 m/s. If the car's kinetic energy is 9.40 x 10³J what is its mass? 1.98 x 10 m/s a. b. 208 kg 104 kg c. d. 52.1 kg