Male lions protect their cubs
from members of their own species.
From hyenas only.
From hyenas as much as from other enemies.
More from hyenas than from other animals.
A stone is thrown towards a pole of height 15 m and at a distance of 30 m. the stone passes just over the pole going downwards, making angle 45° with horizontal. the speed v of stone is (g = 10m / (s ^ 2)) 15 m n.a 30 m