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the length l,of a simple pendulum varies directly as the square of its period t, a pendulum of length 99.4cm has a period of 2seconds. find correct to two decimal places , the length of a pendulum of a period2.5seconds.​

Respuesta :

nathancoopereardley1

Answer:

yep

Explanation:

chibunduoyibe

Answer:

155.31cm

Explanation:

L=KT^2

K=L/T^2

L1/(T^2)1 = L2/(T^2)2

99.4/(2)^2 = L2/(2.5)^2

99.4/4 = L2/6.25

L2 = 155.31cm

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