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A pendulum swings back and forth. When the pendulum bob is at the bottom of its...

A pendulum swings back and forth. When the pendulum bob is at the bottom of its swing, it is traveling horizontally with a speed of 1.0 m/s. How high (in cm) does the pendulum bob rise at the end of its swing? (2 sig. fig. with decimal point, e.g. 2.3) The acceleration due to gravity is 9.8 m/s2

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Answer #1

velocity of bob . v = 1 m/s

using conservation of energy ,

where, m is mass of bob

h is the height raised at the end of swing

solving above equation we get ,

  

h = 5.102 cm

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