Two particles of same mass are projected simultaneously with same speed 20 ms^(-1) from the top of a tower of height 20m. One is projected horizontally. The maximum height attained by centre of mass from the ground will be (g=10 ms^(-2))

Two particles of same mass are projected simultaneously with same spee

1.	Two particles of same mass are projected simultaneously with same speed 20 ms^(-1) from the top of a tower of height 20m. One is projected horizontally. The maximum height attained by centre of mass from the ground will be (g=10 ms^(-2))
Answer» `10 SQRT(2)m` 25 m `25 sqrt(2)m` 5 m ANSWER :B