Question

projected with speed 20 ms at an angle 45° with the
400 S
(2) 20 m
(4) 103
27. The maximum height attained by a ball projected with spel
take g = 10 ms?)
(1) 40 m
(3) 10 m
(4) 30 m
28. The time of flight of an object projected with speed 20 ms' at an ang
(1) 1 s
(2) 4 s
(3) 25
(4) 6 s
led with speed 20 ms at an angle 30 with the horizontal, is
2x. 20 singo
29. At the topmost point of its path, a projectile has acceleration of mag!
(1) O
(2) g
(3)
30. At what angle of elevation, should a projectile be projected with velocity 20 ms, so as to reac
height of 10 m?
(1) 0
(2) 90°
(3) 45
(4) 60
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Answer 1

Answer:

(27) 20m

(28) 4s

(29) g

(30) 45°