Kinematics 5 Question 6
8. Two guns and can fire bullets at speeds and , respectively. From a point on a horizontal ground, they are fired in all possible directions. The ratio of maximum areas covered by the bullets on the ground fired by the two guns is
(Main 2019, 10 Jan I)
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 8. (b)
Solution:
- Bullets from guns can reach upto a distance of maximum range which occurs when projection is made at angle of
. Maximum range for gun
Maximum range for gun
So, ratio of covered areas
Here,
So, ratio of areas