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A pendulum with a length of precisely 0.98 m can be used to measure the acceleration...

A pendulum with a length of precisely 0.98 m can be used to measure the acceleration due to gravity, g. Such a device is called a gravimeter.


How long do 80 oscillations take at sea level, where g= 9.81 m/s2

Suppose you take a gravimeter to a spot on Venus where the value of g is 0.89% less than the value of g at sea level on Earth. How long do 80 oscillations take at this place on Venus? 

Would you be able to measure the difference with a stopwatch that can measure time differences of 0.1 s?

  •  A. No.

  •  B. Yes.

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