How fast is betty moving when the swing passes through its

Reference no: EM13616744

Betty weighs 433 N and she is sitting on a playground swing seat that hangs 0.36 m above the ground. Tom pulls the swing back and releases it when the seat is 1.18 m above the ground.The acceleration of gravity is 9.8 m/s². How fast is Betty moving when the swing passes through its lowest position? Answer in units of m/s If Betty moves through the lowest point at 1.1 m/s, what is the magnitude of the work done on the swing by friction? Answer in units of J

Reference no: EM13616744

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