gigit12
contestada

The pendulum of a clock swings through an angle of 2.5 radians as its tip
travels through an arc of 50 centimeters. Find the length of the pendulum, in
centimeters.

Respuesta :

r = 50/2.5 = 20 cm

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Clock pendulums swing 8 degrees or less, which is an included angle of ~0.28 radians