text: you accidental throw your car keys horizontally at 8.0 m/s from a cliff 64-m. high.  how far from the base ... you accidentally throw your car keys horizontally at 8.0 m/s from a cliff 64-m. high.  how far from the base of the cliff should you look for the keys.  please help me with this problem. i'm having trouble. mp/s m/s? hmm divide the two nubmers into each other u will have ur awnser and put it will be blank from the base.