Two Boys with Masses of 40 Kg and 60 Kg

question 24

Multiple Choice

Two boys with masses of 40 kg and 60 kg stand on a horizontal frictionless surface holding the ends of a light 10-m long rod.The boys pull themselves together along the rod.When they meet the 40-kg boy will have moved what distance?

• A)4 m
• B)5 m
• C)6 m
• D)10 m
• E)need to know the forces they exert

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