physics help period and frequency! pleease help!!?

Question

calculate the period and frequency of a 3.500 m long pendulum at the following:
a) g=9.832 m/s^2
b) g=9.80 m/s^2
c) g=9.782 m/s^2

please solve these, i dont know how.

Answer 1

Time period=2pi(l/g)^1\2

frequency=1/t



l=length of pendulum

Answer 2

Just use the equation for period of a pendulum:



T = 2 x pi x sqrt(L/g)



your L is the 3.5 m. 2 and pi are constants and the g values are your a, b, and c options as you listed above.



once you know the period you just divide it into 1 to get your frequency

Answer 3

The period(P) is just 1/frequency(f) => P = 1/f

P = 2π√l/g = 6.283√3.500/g

a) P = 6.283√3.500/9.832 =3.7488 = 3.749 s ANS f = 0.2668 Hz ANS

b) substitute g = 9.803 m/s² & solve for P then invert for f

c) do same as above with g = 9.782 m/s²

Answer 4

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