A 15 Kg Block Is on a Ramp That Is

Multiple Choice

A 15 kg block is on a ramp that is inclined at 20° above the horizontal.It is connected by a string to a 19 kg mass that hangs over the top edge of the ramp.Assuming that frictional forces may be neglected,what is the magnitude of the acceleration of the 19 kg block? (See the figure. )

A) 4.0 m/s²
B) 3.8 m/s²
C) 4.2 m/s²
D) 4.5 m/s²