1. A 10-kg block slides down the incline shown a distance of 1m. If µk=0.34, how much work does the force of friction do during the motion described?
Angle=30 degress
2. If the 10kg block shown above with the same frictional characteristics and starting from rest slides down the incline in such a way as its height is reduced by 3m, how fast is the block moving when it reaches the lower height.