Roberto has twice the mass his sister Mary has but runs at the same velocity as Mary. Will his kinetic energy be twice as much? (Mary has a mass of 40 kg and sprints at 1 m/s)

Roberto has twice the mass his sister Mary has but runs at the same velocity as Mary. Will his kinetic energy be twice as much? (Mary has a mass of 40 kg and sprints at 1 m/s)

asked Dec 8, 2021 37.2k views

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