Question

Then length of a pendulum is 8 m while the pendulum swings through 1.5 rad, find the or the arc through which the tip of pendulum passes

Answer 1

Length of pendulum= 8m

Length of arc= (Angle) (Radius)
= 8 × 1.5
= 12m.

Answer 2

Answer:

The arc through which the tip of pendulum passes is 12m.

Step-by-step explanation:

• Length of a pendulum: Length of a pendulum means length of the string from hanging point to the bob.

        For the mentioned pendulum, length of the pendulum = 8 m.

• If the hanging point is considered as center of a circle, then the length of the pendulum(8m) will be considered as the radius of the circle.

• Pendulum swings through 1.5 rad means, the angle between the string of the pendulum and the vertical line = 1.5 rad.
• The arc length = Angle × radius = 1.5 rad × 8m = 12m.

∴ The arc through which the tip of pendulum passes is 12m.

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