posted by Murry .
A block of mass 12 kg starts from rest and
slides a distance of 8 m down an inclined
plane making an angle of 40◦
with the horizontal. The coeﬃcient of sliding friction between block and plane is 0.4.
The acceleration of gravity is 9.8 m/s^2
What is the net force on the block along the
What is the speed of the block after sliding
What would be its speed if friction were negligible?