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Statement of a problem № 19

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A point traversed half a circle of radius R = 160 cm during time interval τ = 10.0 s. Calculate the following quantities averaged over that time: (a) the mean velocity ; (b) the modulus of the mean velocity vector ||; (c) the modulus of the mean vector of the total acceleration || if the point moved with constant tangent acceleration.

Solution:
A point traversed half a circle of radius R = 160 cm during time interval τ = 1

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