Eva measures the mass of 25 children. She calculates the mean and the median of the masses. Eva makes a mistake when measuring t
1 answer:
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Answer:
m
OR
62.8318531 m
Step-by-step explanation:
This is actually pretty simple
The distance the tip travels is the arc length and the length of the pendulum is the radius of a circle
The formula for arc length is <u>Angle in Radians x Radius</u>
<u></u>
So pi/12 * 4 = pi/3 m
We know this is how much it travels every second so it is going at pi/3 m/s
One minute is 60 seconds
pi/3 * 60 = 20pi m