Find time period of 20 oscillations for length 40 cm of simple pendulum
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Answers
Answered by
2
Answer:
Explanation:40π second
Answered by
0
Answer:
1.47 s
given length
Let M be the mass of earth
--------->(1)
Gravity at depth ‘d’ will be
[Let ‘r’ be the distance from center of the earth to that point
]
---------->(2)
From (1) & (2)
[‘g’ on surface is
]
Time period at that depth
= 1.47 sec
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