Question

A ballistic missile was projected with 20m/s from a place X by making an angle 30 degree with the horizontal to destroy the target Y as shown in figure. On the basis of your understanding

answer the following questions (assume g = 10 meter per second square):

(i) What is the time at which the missile reaches the point of maximum height?

(ii) What is the maximum height gained by missile?

(iii) Calculate the distance of target Y from the launching point X.

(iv) How much time the missile remained in air?

(v) What is the nature of path followed by ballistic missile?
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Answer 1

Answer:

Mathematically, the resistive force represented by the vector F can be written as F=-f(v) u, where u=V/|V| is the unit vector along the direction of the velocity V. The minus sign guarantees that the air resistance acting on the projectile is always opposite to the direction of its velocity.

Explanation:

I hope you understand dear