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3. A boy with a mass of 30 kg is ice skating at a speed of 2m/s. What type of energy is he using and what are the joules?
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3. A boy with a mass of 30 kg is ice skating at a speed of 2m/s. What type of energy is he using and what are the joules?

User OcuS
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Answer:

60 joules. ....................

User SuperJames
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