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Home Q & A Board Science-Related Homework Help Physics
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QiTian QiTian
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6 years ago
A 0.40-kg mass attached to the end of a string swings in a vertical circle having a radius of 1.8 m. At an instant when the string makes an angle of 40 degrees below the horizontal, the speed of the mass is 5.0 m/s. What is the magnitude of the tension in the string at this instant?
 a. 9.5 N
  b. 3.0 N
  c. 8.1 N
  d. 5.6 N
  e. 4.7 N
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DRIGGS14DRIGGS14
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6 years ago
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