Why do electric charges that move through a magnetic field produce an electric current? A. The magnetic field exerts a force on
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Answer: 15.87 m
From the equation of motion:
where, is the distance traveled,
is the initial velocity,
is the acceleration and
is the time.
The rock free falls under gravity. Initial velocity, ,
It took for rock to hit the water.
Substitute the values in the given equation:
Hence, the water is 15.87 m below the top level of the well.