Travels 41851

The car, with a weight of 20 kN, travels at a speed of 54 km/h. What is its kinetic energy?

Correct answer:

E =  225000 J

Step-by-step explanation:

G=20 1000=20000 N v=54 km/h m/s=54:3.6  m/s=15 m/s  G=mg g=10 m/s2 m=G/g=20000/10=2000 kg  E=21 m v2=21 2000 152=225000 J



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