An object with mass 0.60 kg is suspended from the ceiling at the end of a 2.0 m long string. When the mass is pulled to the side (at an unknown angle) and released, you measure the speed to be 4.0 m/s at the lowest point of its path. What maximum angle does the string make with the vertical as the object swings up? Note: air resistance can be ignored. Options 69 degrees 77 degrees 47 degrees 61 degrees 54 degrees 50 degrees

Question

An object with mass 0.60 kg is suspended from the ceiling at the end of a 2.0 m long string. When the mass is pulled to the side (at an unknown angle) and released, you measure the speed to be 4.0 m/s at the lowest point of its path. What maximum angle does the string make with the vertical as the object swings up? Note: air resistance can be ignored.

Options

  • 69 degrees
  • 77 degrees
  • 47 degrees
  • 61 degrees
  • 54 degrees
  • 50 degrees

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Newtons Laws of Motion

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