A simple pendulum is made from a string that is 0.65m inlength with a mass of 0.

Question

A simple pendulum is made from a string that is 0.65m inlength with a mass of 0.2kg attached to the free end. THe mass ispulled to one side through a small angle and released fromrest. A) What is the angular frequency and period of the pendulu? Ifthe mass were doubled, to 0.4kg, What would be the new angularfrequency and period? B) How long after being released from the rest does it takethe mass to attain its greatest speed? C) If the penduluem were placed on the moon, would its periodbe greater or leess than on the earth?Why? gmoon= 1.67m/s2 A simple pendulum is made from a string that is 0.65m inlength with a mass of 0.2kg attached to the free end. THe mass ispulled to one side through a small angle and released fromrest. A) What is the angular frequency and period of the pendulu? Ifthe mass were doubled, to 0.4kg, What would be the new angularfrequency and period? B) How long after being released from the rest does it takethe mass to attain its greatest speed? C) If the penduluem were placed on the moon, would its periodbe greater or leess than on the earth?Why? gmoon= 1.67m/s2

Explanation / Answer

given, length of string = l = 0.65m mass = 0.2kg angulur frequency = = g/l =9.8/0.65 = = 3.88 time period = T = 2l/g =2*3.140.65/9.8 = 1.6s if the mass were dobled there is no change in angular frquencyand time period. if pendulum is taken from the earth surface to the moonsurface time period increases because g value decreses on themoon    because T1/g

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