Nis 11. 2076 Q. No. 19 A projectile is fired from ground level with a velocity of 300
at an angle 60° to the vertical. Find the horizontal range and time taken to
reach maximum height (given, g = 10 ms?)
Ans: 7794.23 m, 15s [4]
12. 2075 Q. No. 19 A body is projected upward making an angle 30° with the
horizontal with velocity of 300 m/s. Find horizontal range, maximum height
and time of flight.
[Ans: 7794.23m, 1125 m, 15 sec]
13. 2074 Old Q. No. 22 An object of mass 10 gm is thrown vertically upward with
the velocity 100ms-1 making angle 60 'to the horizontal Calculate (i) time of
flight (ii) maximum height attained.
Ans: 17.32s, 375m
14. 2072 [Bhadral Q. No. 23 A projectile of mass 300 mg is fired form the ground
with velocity 200 m/s by making angle 30° to the vertical. Find its time of
flight, maximum height attained and horizontal range.
Ans: 34.6 s, 1500 m, 3464.10 m
15. 2071 (Bhadral Q. Na. 24 A projectile is fired from the ground level with
velocity 300 m/s at 60° with vertical. Calculate the greatest vertical height,
maximum horizontal range, time taken by projectile to reach maximum height
and time of flight.
Ans: 7794.23 m, 1125 m, 15s
16. 2070 (Bhadra) Q. No. 22 An object of mass 10 gm is thrown vertically upward
with the rolpoitr 100 ms. 1 matching angle 30° to the horizontal. Find the time