Solution of task 15.3.14 from the collection of Kepe OE

Solution of task 15.3.14 from the collection of Kepe OE

15.3.14
On the inclined plane, a weight of mass m descends without initial speed. What speed v will the cargo have, passing the path equal to 4 m from the beginning of the movement, if the sliding friction coefficient between the load and the inclined plane is 0.15? (Answer 5.39)