Question

A student measures time for 20 oscillations of
a simple pendulum as 30 s, 32 s, 35 s and
31 s. If the minimum division in the measuring
clock is 1 s, then correct mean time in second
is
(A) 32+3
(B) 32+1
(C) 32+2 (D) 32 + 5​

Answer 1

Answer:oscillatory motion

Explanation:

Answer 2

Answer:

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