Solution of task 7.4.10 from the collection of Kepe OE

Solution of task 7.4.10 from the collection of Kepe OE

7.4.10
The position of the ruler AB is determined by the angle? = 0.2 t. Define in cm / c2 the projection of the acceleration of the point M on the axis Oy at the time t = 3c, if the distance AM = 50 cm. (Answer -1.13)

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