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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 vertically upwards and other projected horizontally. The maximum height attained by centre of mass from the ground will be (g = 10 ms–2)

a
10√2m
b
25m
c
25√2m
d
5m

detailed solution

Correct option is B

from ground COM distance = h + Hmax= 20 + 5 = 25m

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