The swing period (p) of a pendulum, in seconds, is related to its length

B

Bobby Thomas

New member
(L),in centimeters, by the equation.2? he swing period (p) of a pendulum, in seconds, is related to its length (L), in centimeters, by the equation below.

L = 25 p^2

A scientist wants to decrease the swing period of a 400-centimeter pendulum by one second. How should the scientist change the length of the pendulum?



A. Decrease its length by 25 centimeters.

B. Increase its length by 25 centimeters.

C. Decrease its length by 175 centimeters.

D. Increase its length by 225 centimeters.

please help me with this and explain it if you could
 
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