A 25-Kg Crate Is Pushed Across a Frictionless Horizontal Floor

Multiple Choice

A 25-kg crate is pushed across a frictionless horizontal floor with a force of 20 N, directed 20°below the horizontal.The acceleration of the crate is:

A) 0.27 m/s²
B) 0.75 m/s²
C) 0.80 m/s²
D) 170 m/s²
E) 470 m/s²