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A body can move from A to C by two different pathes: - gliding along the inclined plane AC (lenght l) without friction - or - falling from A to B (height h), where it is directed to C (BC = b)

Compare the times for the path AC (t_{AC}) with the path ABC (t_{ABC})

1. Which way is faster for h=6 m and b=8 m ?

A->B->C

A->C

equal

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