A body falls freely from a point and reaches the ground in 1 second, then the height of the point from the earth is equal to
A. 9.8 m
B. 4.9 m
C. 10m
D. 19.6 m
Answer:B
A body falls freely from a point and reaches the ground in 1 second, then the height of the point from the earth is equal to
A. 9.8 m B. 4.9 m C. 10m D. 19.6 m