The Distance, S, in Feet, That an Object Falls (Neglecting

Multiple Choice

The distance, s, in feet, that an object falls (neglecting air resistance) in t seconds is given by , where v is the initial velocity of the object in feet per second. An object is released from the top of a building 180 ft high. The initial velocity is 12 ft/s, and air resistance is neglected. How many seconds later will the object hit the ground?

A) 7 s
B) 1 s
C) 5 s
D) 4 s
E) 3 s