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Find the Angle in Radians Through Which a Pendulum Swings If Its Length is 75 Cm and the Tip Describes an Arc of Length 15 Cm - Mathematics

Find the angle in radians through which a pendulum swings if its length is 75 cm and the tip describes an arc of length 15 cm

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Solution

We know:
Radius = 75 cm
Length of the arc = 15 cm
Now,
\[\theta = \frac{\text{Arc }}{\text{Radius}}\]
\[ = \frac{15}{75}\]
\[ = \frac{1}{5}\text{ radian }\]

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APPEARS IN

RD Sharma Class 11 Mathematics Textbook
Chapter 4 Measurement of Angles
Exercise 4.1 | Q 14.2 | Page 15
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