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1 vote
If the kinetic energy of a 10-kilogram object is 2000 Joules, its velocity is

-10 m/s
-20 m/s
-100 m/s
-400 m/s

2 Answers

3 votes
-20m/s is the answer
User Guilherme Franco
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5.5k points
2 votes
The answer is 20 m/s
User Ayyanar G
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4.7k points