Question

17.
Case Study
Suppose a man Gopal is standing at a point A the height of Gopal 0.9 m and he is walking
away from the base of a lamp post at a speed of 2m/sec, suppose the lamp post is 4.5 m
above from the ground. Answer the following questions related from the above statement
i. Find the distance of Gopal from the base of Lamp post in 5 sec
ii. Find the length of the shadow after 5 sec.
iii. If the angle of elevation is 60 degree then what is the distance between Gopal and this lamp post.
iv. If the height of lamp post decreases, then angle of elevation increases or decreases?
v. which mathematical concept is used to solve the above problem?
vi. what is the advantage of lamp post in night?​

Answer 1

Answer:

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