[فطوم A]

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2-The maximum height the projectile reached is :
(a). 40m (b) 60m (c) 20 .4m (d) 122m
3-The time the projectile takes to reach its maximum height is:
(a). 4.1 s (b) 2.05 s (c) 1.05 s (d)0.5 s