Though slow on land, the leatherback turtle holds the record for the fastest water speed of any reptile. The largest leatherback yet discovered was 680 kg and could swim at a speed of 10 m/s. What would its kinetic energy be?
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Answer: in this case we use the formula
KE =1/2 mv^2
kinetic energy=60,800 J
speed or velocity =9.78m/s
60800=1/2 m 9.78 × 9.78 ×m
60800=4.89×9.78×m
m=60800/4.89×9.78
m=60800/47.8242
m=1271.32kg
Explanation:
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