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What is the period on earth of a pendulum with a length of 1.0 m? a. 1.5 s b. 2.0 s c. 2.5 s d.3 s
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5 votes
What is the period on earth of a pendulum with a length of 1.0 m?

a. 1.5 s
b. 2.0 s
c. 2.5 s
d.3 s

User Jofre Mateu
by
7.0k points

1 Answer

5 votes
B

Let L be the length of the pendulum and g is the acceleration due to gravity. Then

=2‾‾‾√ T=2π
L
g


=2∗∗19.81−2‾‾‾‾‾‾‾‾‾‾√ =2∗π∗
1
m
9.81
m
s
−
2


=2∗∗0.1019‾‾‾‾‾‾√ =2∗π∗
0.1019


=∗0.3193 =π∗0.3193

=2 =2second

User Kimmeh
by
7.4k points
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