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h = 8 m
h' = 5 m
Ditanya:
Koefisien restitusi, edan tinggi pantulan ketiga, h'''
Penyelesaian:
e = √(h'/h)
e = √(5/8)
e = 0,8
√(h'/h) = √(h"/h')
√(5/8) = √(h"/5)
8h" = 25
h" = 25/8
√(h'/h) = √(h'''/h'')
√(5/8) = √(h'''/(25/8))
64h''' = 125
h''' = 125/64
h''' = 1,95 m