Question

11. A second's pendulum has a period of 2 s. Calculate
the length of second's planet on planet Mars, where
8 = 3.6 m s. (Take n = 3.14)​

Answer 1

Explanation:

Time period, T=2π

g

l

Time period of a seconds pendulum is 2 sec. One second for swing in one direction and one second for return swing.

Thus, 2=2π

g

l

Squaring, 1/π

2

=l/g or g=π

2

l=2π

2

m/s

2

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