irodov problem 1.43solution A particle A moves along a circle of radius R = 50 cm so that its radius

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#A particle A moves along a circle of radius R = 50 cm so that its radius vector r relative to the point O (Fig. 1.5) rotates with the constant angular velocity w = = 0.40 rad/s. Find the modulus of the velocity of the particle, and the modulus and direction of its total acceleration.