A stone is dropped from a cliff. Its speed after it has fallen 100m is
A. 9.8 m/s
B. 44.2 m/s
C. 19.8 m/s
D. 98 m/s
Answer:B
A stone is dropped from a cliff. Its speed after it has fallen 100m is
A. 9.8 m/s B. 44.2 m/s C. 19.8 m/s D. 98 m/s