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MMLU-Pro / 9078 / A mass of 100 kilograms is pushed along the floor at a constant rate of 2 m/sec.…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A mass of 100 kilograms is pushed along the floor at a constant rate of 2 m/sec. If the coefficient of sliding friction is 0.25, at what rate is work being done in watts, in horsepower?

category

physics

options

  1. 490 watts, 0.66 hp
  2. 500 watts, 0.68 hp
  3. 510 watts, 0.68 hp
  4. 530 watts, 0.71 hp
  5. 520 watts, 0.70 hp
  6. 470 watts, 0.63 hp
  7. 450 watts, 0.60 hp
  8. 460 watts, 0.62 hp
  9. 500 watts, 0.67 hp
  10. 480 watts, 0.64 hp

src

stemez-Physics

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Official source

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