Question

A pendulum of length 14 cm oscillates through an angle of 18. find the length of it's path​

Answer 1

Answer: 4.4cm

Step-by-step explanation:

Given r=14cm

theeta=18

Solution

Circumference of a circle =2pie r

Circumference circle c=2×22/7×14=88cm

=length of the path described by extremity of pendulum is given by :

=Length curcumscribed by theeta=theeta/360×c

=Length circumscribed by theeta=18/360×88

Length of circumscribed by theeta=4.4cm

Lengthof the path described by extremity of pendulum is 4.4cm