Vilvolev 6. A stone with a mass of 0.80 kg is attached to one end of a string 0.80 m long. The string will break if its tension exceeds 55.0 N. The stone is whirled in a horizontal circle on a frictionless tabletop; the other end of the string remains fixed. Find the maximum speed the stone can attain without breaking the string.

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Chapter7: Rotational Motion And Gravitation
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6. A stone with a mass of 0.80 kg is attached to one end of a string 0.80 m long. The string will break if its
tension exceeds 55.0 N. The stone is whirled in a horizontal circle on a frictionless tabletop; the other end
of the string remains fixed. Find the maximum speed the stone can attain without breaking the string.
7. A racing car drives at constant speed around the horizontal track
shown in. At points A, B, and C, draw a vector showing the
magnitude and direction of the net force on this car. Make sure that
the lengths of your arrows represent the relative magnitudes of the
three forces.
Transcribed Image Text:hor 6. A stone with a mass of 0.80 kg is attached to one end of a string 0.80 m long. The string will break if its tension exceeds 55.0 N. The stone is whirled in a horizontal circle on a frictionless tabletop; the other end of the string remains fixed. Find the maximum speed the stone can attain without breaking the string. 7. A racing car drives at constant speed around the horizontal track shown in. At points A, B, and C, draw a vector showing the magnitude and direction of the net force on this car. Make sure that the lengths of your arrows represent the relative magnitudes of the three forces.
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