A student in a biomechanics lab measures the length of his leg, from hip to heel, to be 0.90 m. What is the frequency of the pendulum motion of the student's leg? What is the period?
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- A student holds one end of a rope and oscillates her hand up and down 15 times in 3 seconds. What is the period of oscillation? 5 s 3 s 0.2 s 45 s5 kilogram object is suspended from a string. The string is 4 meters long. What is the period of the object ting as a pendulum? Express your answer a number of seconds, omitting the unit.When used on Earth, a simple pendulum oscillates with a period of 5 seconds. When used on Planet X, the same pendulum oscillates with a period of 3.6 seconds. What is the acceleration due to gravity on Planet X?
- A 2.38 kg ball is attached to an unknown spring and allowed to oscillate. The figure shows a graph of the ball's position x as a function of time t. What is the force constant of the spring?An elephant has legs that stretch 2.30 m from its shoulders to the ground. How much time is required for one leg to swing forward after completing a stride? What would you predict for this elephant's stride frequency? That is, how many steps per minute will the elephant take?