What is the centripetal acceleration of a train moving along a curvature with a radius of 800 m

What is the centripetal acceleration of a train moving along a curvature with a radius of 800 m at a speed of 20 m / s?

R = 800 m.
V = 20 m / s.
a -?
Centripetal (normal) acceleration when moving in a circle is determined by the formula: a = V ^ 2 / R, where V is the linear speed of the movement, R is the radius of curvature of the circle.
a = (20m / s) ^ 2/800 m = 0.5 m / s ^ 2.
Answer: the centripetal acceleration of the train is a = 0.5 m / s ^ 2.



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