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26 Nov 2019
A 17.0 kg child ona 1.00 m long swing isreleased from rest when theropes of the swing make an angleof 29.0° with the vertical.
(a) Neglecting friction, find the child's speed at thelowestposition.
m/s
(b) If the speed of the child at the lowest positionis 1.40 m/s,what is themechanical energy lost due to friction?
J
A 17.0 kg child ona 1.00 m long swing isreleased from rest when theropes of the swing make an angleof 29.0° with the vertical.
(a) Neglecting friction, find the child's speed at thelowestposition.
m/s
(b) If the speed of the child at the lowest positionis 1.40 m/s,what is themechanical energy lost due to friction?
J
m/s
(b) If the speed of the child at the lowest positionis 1.40 m/s,what is themechanical energy lost due to friction?
J
