A Large Wedge with a Mass of 10 Kg Rests

Multiple Choice

A large wedge with a mass of 10 kg rests on a horizontal frictionless surface, as shown.A block with a mass of 5.0 kg starts from rest and slides down the inclined surface of the wedge, which is rough.At one instant the vertical component of the block's velocity is 3.0 m/s and the horizontal component is 6.0 m/s.At that instant the velocity of the wedge is:

A) 3.0 m/s left
B) 3.0 m/s, right
C) 6.0 m/s, right
D) 6.0 m/s, left
E) 17 m/s, right