Arianarenee90 Arianarenee90 14-09-2020 Mathematics contestada Whoever answers first gets branliest Emily drops a stone from rest off a high bridge into a river. What is the speed of the stone after 5 seconds (neglect air resistance so g =-9.8m/s^2)? A. 5 B.-49 C.50 D.-19.6 E.-9.8