Question

The Kentucky Derby is one of the most exciting horse races run every year. In 1973, the horse Secretariat set a record that still stands. This 500-kg horse ran the 2000-m track in 120 s. What was Secretariat’s average kinetic energy? (1 kJ = 1000 J)

Need answers with explanaitions please

A. 4.2 kJ
B. 8.3 kJ
C. 69.0 kJ
D. 139.0 kJ

Answer 1

Answer:

C.69 kJ

Explanation:

kinetic energy

$= 1 \div 2mv {}^{2}$

Answer 2

C 69.0 kj is correct