Concept explainers
To calculate: The time 150 cm pendulum will take to swing, if it takes a 100 cm pendulum 1 sec to swing from one side to other also given the length of a pendulum varies directly as the square of the time in seconds to swing from one side to other.
Answer to Problem 7P
The time pendulum takes to swing is
Explanation of Solution
Given information:
The length of a pendulum varies directly as the square of the time in seconds to swing from one side to other
Let, Length of pendulum is l.
Time taken by it to swing one side to other t.
So,
Let k be a constant
Put the value of l and t in equation 1 to get k
Put the value of k and d in equation 1 to get l..
Chapter 12 Solutions
Algebra: Structure And Method, Book 1
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