A 20 kg child is on a swing that hangs from 3.0-m-longchains, as shown in Figure Pl0.58
Chapter 10, Problem 58(choose chapter or problem)
A 20 kg child is on a swing that hangs from 3.0-m-longchains, as shown in Figure Pl0.58. What is her speed v; atthe bottom of the arc if she swings out to a 45 angle beforereversing direction?
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