A weightlifter uses energy at

  1. a weightlifter raises a 200-kg barbell with an acceleration of 3 m/s. How much force does the weightlifter use to raise the
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    2. anoynomous asked by anoynomous
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  2. a weightlifter is using heavy weights in short bursts for a competition because his muscle cells are not able to take in enough
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  3. a weightlifter is using heavy weights in short bursts for a competition because his muscle cells are not able to take in enough
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  4. A weightlifter is using heavy weights in short bursts for a competition. Because his muscle cells are not able to take in enough
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    2. o asked by o
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  5. As part of a training schedule a weightlifter pushes a heavy metal blockalong the floor. The lifter applies a force of 850 N
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    2. alex asked by alex
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  6. A weightlifter is training using a number of 10 and 25-kilogram weight plates. He can lift up to 165 kilograms.Which of the
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  7. A weightlifter is training using a number of 10 and 25-kilogram weight plates. He can lift up to 165 kilograms. Which of the
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  8. A weightlifter lifts a 100-kg weight 1.5 meters off the floor at a constant velocity. Which statement about this situation is
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    2. 9265 asked by 9265
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  9. as part of a training schedule a weightlifter pushes a heavy metal block along the floor. the lifter applies a force of 770N
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  10. A weightlifter is trying to carry a 10 kg weight held over his head across the room. How much energy will be required to do this
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    2. Anonymous asked by Anonymous
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