A 240-Kg Crate,initially at Rest,slides Down a Ramp 4

Multiple Choice

A 24.0-kg crate,initially at rest,slides down a ramp 4.0 m long and inclined at an angle of 20° with the horizontal.If there is no friction between ramp surface and crate,what is the kinetic energy of the crate at the bottom of the ramp? (g = 9.8 m/s²)

A) 880 J
B) 940 J
C) 644 J
D) 322 J
E) 161 J