Solution of task 13.3.17 from the collection of Kepe OE

Solution of task 13.3.17 from the collection of Kepe OE

13.3.17
A material point of mass m = 11 kg moves along a curvilinear trajectory under the action of a resultant force F = 20Н.
Determine the speed of the point at the time when the radius of curvature of the trajectory? = 15 m and the angle between the force and the velocity vector is 35 °.
(Answer 3.96)