From the top of a tower two stones, whose masses are in the ratio 1 : 2 are thrown one straight up with an initial speed u and the second straight down with the same speed u . Then, neglecting air resistance
A. the heavier stone hits the ground with a higher speed
B. the lighter stone hits the ground with a higher speed
C. both the stone will have te same speed when they hit the ground
D. the speed cannot be determined with the given data
