The image at the right shows a pendulum... (Don\'t forget to answer Part C at th

Question

The image at the right shows a pendulum... (Don't forget to answer Part C at the bottom)

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The image at the right shows a pendulum. The length of the Map pendulum is 1.50 m, and the mass of the bob is 2.50 kg Answer the three questions below using three significant figures Part A: If the length of the pendulum is increased to 6.00 m, what happens to the period of the pendulum? O O O It is quadoupled It is doubled It is unchanged It is half as much It is one-fourth as much O Part B: If the mass of the pendulum is increased to 10.0 kg, what happens to the period of the pendulum? O O It is quadroupled It is doubled It is unchanged It is half as much It is one-fourth as much O O Part C: This pendulum is taken to planet Xeno, and it is found to have a period of 2.30 s. What is the acceleration of gravity on Xeno? Number

Explanation / Answer

Time period of Pendulum = 2Pi sqrt (L/g) = 2.458 seconds

A.Since lenght is made 4 times . Time period will be Sqrt 4 , ie 2 Time

hence Doubled

B. Time period is independent of Mass, Hence it IS UNCHANGED

C. Tearth/ Txeno = 1.069

gxeno/gearth = 1.0692

gXENO = 11.2 m/s2

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