A 7-Kg Mass Slides Down a Smooth Incline $2$ B) 82 M/s

Multiple Choice

A 7-kg mass slides down a smooth incline. The incline makes an angle of 30° with the horizontal. The acceleration of the mass along the incline is

A) 4.9 m/s $2$
B) 8.2 m/s $2$
C) 6.5 m/s $2$
D) 9.1 m/s $2$