A child is on a swing with a rope length of 5.00m. The child starts at rest at a position where the angle between the rope and the vertical is 30.0°. At the bottom of the swing, when the rope is vertical, the speed of the child V; is unknown. Tree branch 30.0° 5.00m Find the final speed vr in m/s, using conservation of mechanical energy. 5.00m at rest Vf

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Chapter1: Units, Trigonometry. And Vectors
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AUG-4 A child is on a swing with a rope length of 5.00m.
The child starts at rest at a position where the angle
between the rope and the vertical is 30.0°. At the
bottom of the swing, when the rope is vertical,
the speed of the child Vf is unknown.
Tree branch
30.0°
5.00m
Find the final speed vr in m/s, using
conservation of mechanical energy.
5.00m
at rest
h
Vf
Transcribed Image Text:AUG-4 A child is on a swing with a rope length of 5.00m. The child starts at rest at a position where the angle between the rope and the vertical is 30.0°. At the bottom of the swing, when the rope is vertical, the speed of the child Vf is unknown. Tree branch 30.0° 5.00m Find the final speed vr in m/s, using conservation of mechanical energy. 5.00m at rest h Vf
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