A 400kg baby grand piano is raised to the roof of a 100m
A 400kg baby grand piano is raised to the roof of a 100m building. If the cable breaks as it reaches this height, what will its velocity be the instant prior to impact? Use energy considerations and verify using kinematics.
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a 400kg baby grand piano is raised to the roof of a 100m building if the cable breaks as it reaches this height what
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