A Block with a Mass M = 4

Multiple Choice

A block with a mass M = 4.85 kg is resting on a slide that has a curved surface.There is no friction.The speed of the block after it has slid along the slide sufficiently far for its vertical drop to be 19.6 m is

A) 19.6 m/s
B) 384 m/s
C) 73 m/s
D) 43.2 m/s
E) The problem cannot be solved because the shape of the curved slide is not given.