Question 2 (4 points) The diagram shows a block that is sliding down a frictionless hill Diagram is not to scale LSI h , 5 When a 1.50 kg block is 3.96 m above the base of the hill (h1), it has a speed of 1.71 m/s (v1). When the block reaches a point 0.750 m above the base of the hill (h2). what is its kinetic energy