Exercise 9 | Chemistry and the Scientific Method
Calculate the kinetic energy of sprinter (85.2 kg) moving at 38.0 km.h-1.
Ek = mv2 with v = speed in m.s-1
38 km.h-1 = x x = 10.6 m.s-1
Ek = x 85.2 x 10.62 = 4.79 x 103 J
Calculate the kinetic energy of sprinter (85.2 kg) moving at 38.0 km.h-1.
Ek = mv2 with v = speed in m.s-1
38 km.h-1 = x x = 10.6 m.s-1
Ek = x 85.2 x 10.62 = 4.79 x 103 J