Solution of task 11.2.20 from the collection of Kepe OE

Solution of task 11.2.20 from the collection of Kepe OE

11.2.20
The cone, according to the generator of which the point M moves according to the equation AM = 2t, rotates about the axis Oz according to the law φ = 4 sin 0,4t. Determine the modulus of the mobile velocity of point M at time t = 2 s. (Reply 2.19)

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