Solution of task 13.2.15 from the collection of Kepe OE

Solution of task 13.2.15 from the collection of Kepe OE

13.2.15
A material point of mass m = 100 kg moves along the horizontal line under the action of the force F = 10t, which is directed along the same straight line. Determine the time for which the speed of the point will increase from 5 to 25 m / s. (Answer 20)