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23 Nov 2019
The length of a simple pendulum is 0.86 m and the mass of theparticle (the "bob") at the end of the cable is 0.25 kg. Thependulum is pulled away from its equilibrium position by an angleof 8.55° and released from rest. Assume that friction can beneglected and that the resulting oscillatory motion is simpleharmonic motion.
(a) What is the angular frequency of the motion?
rad/s
(b) Using the position of the bob at its lowest point as thereference level, determine the total mechanical energy of thependulum as it swings back and forth.
J
(c) What is the bob's speed as it passes through the lowest pointof the swing?
m/s
The length of a simple pendulum is 0.86 m and the mass of theparticle (the "bob") at the end of the cable is 0.25 kg. Thependulum is pulled away from its equilibrium position by an angleof 8.55° and released from rest. Assume that friction can beneglected and that the resulting oscillatory motion is simpleharmonic motion.
(a) What is the angular frequency of the motion?
rad/s
(b) Using the position of the bob at its lowest point as thereference level, determine the total mechanical energy of thependulum as it swings back and forth.
J
(c) What is the bob's speed as it passes through the lowest pointof the swing?
m/s
Deanna HettingerLv2
28 Jun 2019
