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GOOD2Know17 GOOD2Know17
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6 years ago
A 2.0-kg block slides down a fixed, rough curved track. The block has a speed of 5.0 m/s after its height above a horizontal surface has decreased by 1.8 m. Assume the block starts from rest. What is the change in mechanical energy of the block caused by the force of friction during this descent?
 a. -14 J
  b. -12 J
  c. -10 J
  d. -16 J
  e. -25 J
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hillaryanahillaryana
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6 years ago
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GOOD2Know17 Author
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6 years ago
Thanks
loki1345
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Yesterday
This helped my grade so much Perfect
choih94
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2 hours ago
Thank you, thank you, thank you!
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