Solution of task 7.9.7 from the collection of Kepe OE

Solution of task 7.9.7 from the collection of Kepe OE

7.9.7
Are the equations of motion of a point in polar coordinates given? = T2, r = 0.5 t2 Determine the radial velocity of the point at the time when the polar angle? = 2.25 rad. (Answer 1.5)

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